Exact Mass: 272.09276420000003
Exact Mass Matches: 272.09276420000003
Found 145 metabolites which its exact mass value is equals to given mass value 272.09276420000003,
within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error
0.001 dalton.
Arbutin
Hydroquinone O-beta-D-glucopyranoside is a monosaccharide derivative that is hydroquinone attached to a beta-D-glucopyranosyl residue at position 4 via a glycosidic linkage. It has a role as a plant metabolite and an Escherichia coli metabolite. It is a beta-D-glucoside and a monosaccharide derivative. It is functionally related to a hydroquinone. Extracted from the dried leaves of bearberry plant in the genus Arctostaphylos and other plants commonly in the Ericaceae family, arbutin is a beta-D-glucopyranoside of [DB09526]. It is found in foods, over-the-counter drugs, and herbal dietary supplements. Most commonly, it is an active ingredient in skincare and cosmetic products as a skin-lightening agent for the prevention of melanin formation in various skin conditions that involve cutaneous hyperpigmentation or hyperactive melanocyte function. It has also been used as an anti-infective for the urinary system as well as a diuretic. Arbutin is available in both natural and synthetic forms; it can be synthesized from acetobromglucose and [DB09526]. Arbutin is a competitive inhibitor of tyrosinase (E.C.1.14.18.1) in melanocytes, and the inhibition of melanin synthesis at non-toxic concentrations was observed in vitro. Arbutin was shown to be less cytotoxic to melanocytes in culture compared to [DB09526]. Arbutin is a natural product found in Grevillea robusta, Halocarpus biformis, and other organisms with data available. See also: Arctostaphylos uva-ursi leaf (part of); Arbutin; octinoxate (component of); Adenosine; arbutin (component of) ... View More ... Arbutin, also known as hydroquinone-O-beta-D-glucopyranoside or P-hydroxyphenyl beta-D-glucopyranoside, is a member of the class of compounds known as phenolic glycosides. Phenolic glycosides are organic compounds containing a phenolic structure attached to a glycosyl moiety. Some examples of phenolic structures include lignans, and flavonoids. Among the sugar units found in natural glycosides are D-glucose, L-Fructose, and L rhamnose. Arbutin is soluble (in water) and a very weakly acidic compound (based on its pKa). Arbutin can be found in a number of food items such as guava, lingonberry, irish moss, and rowal, which makes arbutin a potential biomarker for the consumption of these food products. Arbutin is a glycoside; a glycosylated hydroquinone extracted from the bearberry plant in the genus Arctostaphylos among many other medicinal plants, primarily in the Ericaceae family. Applied topically, it inhibits tyrosinase and thus prevents the formation of melanin. Arbutin is therefore used as a skin-lightening agent. Very tiny amounts of arbutin are found in wheat, pear skins, and some other foods. It is also found in Bergenia crassifolia. Arbutin was also produced by an in vitro culture of Schisandra chinensis . A monosaccharide derivative that is hydroquinone attached to a beta-D-glucopyranosyl residue at position 4 via a glycosidic linkage. Arbutin is found in apple. Glucoside in pear leaves (Pyrus communis C471 - Enzyme Inhibitor CONFIDENCE standard compound; INTERNAL_ID 1335; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 6126; ORIGINAL_PRECURSOR_SCAN_NO 6123 CONFIDENCE standard compound; INTERNAL_ID 1335; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 6107; ORIGINAL_PRECURSOR_SCAN_NO 6104 CONFIDENCE standard compound; INTERNAL_ID 1335; DATASET 20200303_ENTACT_RP_MIX504; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 811; ORIGINAL_PRECURSOR_SCAN_NO 808 CONFIDENCE standard compound; INTERNAL_ID 1335; DATASET 20200303_ENTACT_RP_MIX504; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 806; ORIGINAL_PRECURSOR_SCAN_NO 804 CONFIDENCE standard compound; INTERNAL_ID 1335; DATASET 20200303_ENTACT_RP_MIX504; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 813; ORIGINAL_PRECURSOR_SCAN_NO 811 CONFIDENCE standard compound; INTERNAL_ID 1335; DATASET 20200303_ENTACT_RP_MIX504; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 832; ORIGINAL_PRECURSOR_SCAN_NO 828 CONFIDENCE standard compound; INTERNAL_ID 1335; DATASET 20200303_ENTACT_RP_MIX504; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 817; ORIGINAL_PRECURSOR_SCAN_NO 816 Arbutin (β-Arbutin) is a competitive inhibitor of tyrosinase, with Kiapp values of 1.42 mM for monophenolase; 0.9 mM for diphenolase. Arbutin is also used as depigmenting agents[1]. Arbutin is a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses with anti-oxidant, anti-inflammatory and anti-tumor properties[2][3]. Arbutin (β-Arbutin) is a competitive inhibitor of tyrosinase, with Kiapp values of 1.42 mM for monophenolase; 0.9 mM for diphenolase. Arbutin is also used as depigmenting agents[1]. Arbutin is a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses with anti-oxidant, anti-inflammatory and anti-tumor properties[2][3].
Thienamycin
D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D013845 - Thienamycins D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D047090 - beta-Lactams D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D007769 - Lactams
Alpha-Naphthoflavone
Alpha-naphthoflavone is an extended flavonoid resulting from the formal fusion of a benzene ring with the h side of flavone. A synthetic compound, it is an inhibitor of aromatase (EC 1.14.14.14). It has a role as an EC 1.14.14.14 (aromatase) inhibitor, an aryl hydrocarbon receptor antagonist and an aryl hydrocarbon receptor agonist. It is an organic heterotricyclic compound, an extended flavonoid and a naphtho-gamma-pyrone. alpha-Naphthoflavone is a natural product found in Rhaponticum repens with data available. D004791 - Enzyme Inhibitors > D001571 - Benzoflavones Alpha-Naphthoflavone is a flavonoid, acts as a potent and competitive aromatase inhibitor with an IC50 and a Ki of 0.5 and 0.2 μM, respectively[1].
Anigorufone
Anigorufone is found in fruits. Anigorufone is a pigment from Musa acuminata (dwarf banana). Pigment from Musa acuminata (dwarf banana). Anigorufone is found in fruits.
beta-naphthoflavone
C1892 - Chemopreventive Agent > C54629 - Phase I Enzymes Inhibitor C1892 - Chemopreventive Agent > C54630 - Phase II Enzymes Inducer D004791 - Enzyme Inhibitors > D001571 - Benzoflavones
n-methyl-2-(4'-methylaminophenyl)-6-hydroxybenzothiazole
Thienamycin
D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D013845 - Thienamycins D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D047090 - beta-Lactams D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D007769 - Lactams
4-Hydroxy-3,5-dimethoxy benzoic acid 2-hydroxy-1-hydroxymethyl ethyl ester
vacor
CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 2903; ORIGINAL_PRECURSOR_SCAN_NO 2901 D010575 - Pesticides > D012378 - Rodenticides D016573 - Agrochemicals CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 2906; ORIGINAL_PRECURSOR_SCAN_NO 2903 CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX505; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 2879; ORIGINAL_PRECURSOR_SCAN_NO 2877 CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX505; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 2868; ORIGINAL_PRECURSOR_SCAN_NO 2865 CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 2904; ORIGINAL_PRECURSOR_SCAN_NO 2902 CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 2903; ORIGINAL_PRECURSOR_SCAN_NO 2900 CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX505; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 6117; ORIGINAL_PRECURSOR_SCAN_NO 6115 CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX505; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 6123; ORIGINAL_PRECURSOR_SCAN_NO 6122 CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 6137; ORIGINAL_PRECURSOR_SCAN_NO 6134 CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 6149; ORIGINAL_PRECURSOR_SCAN_NO 6147 CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 6171; ORIGINAL_PRECURSOR_SCAN_NO 6170 CONFIDENCE standard compound; INTERNAL_ID 815; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 6154; ORIGINAL_PRECURSOR_SCAN_NO 6152
α-Naphthoflavone
relative retention time with respect to 9-anthracene Carboxylic Acid is 1.407 D004791 - Enzyme Inhibitors > D001571 - Benzoflavones relative retention time with respect to 9-anthracene Carboxylic Acid is 1.410 Alpha-Naphthoflavone is a flavonoid, acts as a potent and competitive aromatase inhibitor with an IC50 and a Ki of 0.5 and 0.2 μM, respectively[1].
2-(beta-D-glucopyranosyl)-1,3-dihydroxybenzene|C-beta-D-glucopyranosyl-2,6-dihydroxybenzene|C-??-D-Glucopyranosyl-2,6-dihydroxyl benzene
gamma-L-Glutamyl-L-erythro-2-amino-3-hydroxyhex-4-ynsaeure
gamma-L-Glutamyl-trans-alpha-L-(carboxycyclopropyl)-glycin
3,5-Dimethoxy-4-hydroxybenzoic acid 1-(hydroxymethyl)-2-hydroxyethyl ester
3-(3,4-dihydroxyphenyl)lactate glycerol 1-O-ester|ranunchinesin A
2,3,4-trihydroxybutyl 2,4-dihydroxy-6-methylbenzoate
72VUP07IT5
Alpha-Arbutin is a glycoside. alpha-Arbutin is a natural product found in Rhodiola chrysanthemifolia, Rhodiola sacra, and other organisms with data available. See also: ... View More ... α-Arbutin (4-Hydroxyphenyl α-D-glucopyranoside) is emerging as popular and effective skin whiteners, acting as tyrosinase inhibitor[1]. α-Arbutin (4-Hydroxyphenyl α-D-glucopyranoside) is emerging as popular and effective skin whiteners, acting as tyrosinase inhibitor[1].
3,4,6-Tri-O-acetyl-D-galactal
relative retention time with respect to 9-anthracene Carboxylic Acid is 0.781
2-o-methyl-5-methyluridine
5-Methyl-2′-O-methyl-uridine (2'-O-methyl-5-methyluridine) is a thymidine analog. Analogs of this series have insertional activity towards replicated DNA. They can be used to label cells and track DNA synthesis[1].
Arbutin
Arbutin is a glycoside; a glycosylated hydroquinone extracted from the bearberry plant in the genus Arctostaphylos. It inhibits tyrosinase and thus prevents the formation of melanin. Arbutin is therefore used as a skin-lightening agent. Arbutin is found in wheat, and is concentrated in pear skins (Pyrus communis) . It has been found as biomarker for the consumption of pears. Annotation level-1 Arbutin (β-Arbutin) is a competitive inhibitor of tyrosinase, with Kiapp values of 1.42 mM for monophenolase; 0.9 mM for diphenolase. Arbutin is also used as depigmenting agents[1]. Arbutin is a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses with anti-oxidant, anti-inflammatory and anti-tumor properties[2][3]. Arbutin (β-Arbutin) is a competitive inhibitor of tyrosinase, with Kiapp values of 1.42 mM for monophenolase; 0.9 mM for diphenolase. Arbutin is also used as depigmenting agents[1]. Arbutin is a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses with anti-oxidant, anti-inflammatory and anti-tumor properties[2][3].
2,3,4-trihydroxybutyl 2,4-dihydroxy-6-methylbenzoate [IIN-based on: CCMSLIB00000845523]
2,3,4-trihydroxybutyl 2,4-dihydroxy-6-methylbenzoate [IIN-based: Match]
β-Naphthoflavone
C1892 - Chemopreventive Agent > C54629 - Phase I Enzymes Inhibitor C1892 - Chemopreventive Agent > C54630 - Phase II Enzymes Inducer D004791 - Enzyme Inhibitors > D001571 - Benzoflavones CONFIDENCE standard compound; INTERNAL_ID 1179; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 10249; ORIGINAL_PRECURSOR_SCAN_NO 10247 CONFIDENCE standard compound; INTERNAL_ID 1179; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 10266; ORIGINAL_PRECURSOR_SCAN_NO 10265 CONFIDENCE standard compound; INTERNAL_ID 1179; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 10292; ORIGINAL_PRECURSOR_SCAN_NO 10291 CONFIDENCE standard compound; INTERNAL_ID 1179; DATASET 20200303_ENTACT_RP_MIX503; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 10225; ORIGINAL_PRECURSOR_SCAN_NO 10224 CONFIDENCE standard compound; INTERNAL_ID 1179; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 10335; ORIGINAL_PRECURSOR_SCAN_NO 10334 CONFIDENCE standard compound; INTERNAL_ID 1179; DATASET 20200303_ENTACT_RP_MIX508; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 10310; ORIGINAL_PRECURSOR_SCAN_NO 10308
Alpha-Arbutin
α-Arbutin (4-Hydroxyphenyl α-D-glucopyranoside) is emerging as popular and effective skin whiteners, acting as tyrosinase inhibitor[1]. α-Arbutin (4-Hydroxyphenyl α-D-glucopyranoside) is emerging as popular and effective skin whiteners, acting as tyrosinase inhibitor[1].
N-2,3-DIHYDRO-1,4-BENZODIOXIN-6-YL-2-(ETHYLAMINO)ACETAMIDE HYDROCHLORIDE
C12H17ClN2O3 (272.09276420000003)
3-(4-(4-FLUOROBENZYLOXY)PHENYL)ACRYLIC ACID
C16H13FO3 (272.08486800000003)
Formaldehyde, dicyandiamide, ethylenediamine sulfate polymer
ETHYL 2-(((BENZYLOXY)CARBONYL)AMINO)ACETIMIDATE HYDROCHLORIDE
C12H17ClN2O3 (272.09276420000003)
ethyl 2-(tert-butoxycarbonylamino)thiazole-4-carboxylate
4-(2-methyl-4-nitrophenoxy)piperidine,hydrochloride
C12H17ClN2O3 (272.09276420000003)
[2-[4-(Aminosulfonyl)phenyl]ethyl]carbamic Acid Ethyl Ester
1-(3,5-DICHLORO-PHENYL)-2-PYRROLIDIN-1-YL-ETHYL]-METHYL-AMINE
2-[[(5-Fluoro-2-hydroxyphenyl)phenylmethylene]amino]acetamide
2-(4-(TERT-BUTOXYCARBONYL)PHENYL)-2,2-DIFLUOROACETIC ACID
ETHYL 2-((TERT-BUTOXYCARBONYL)AMINO)THIAZOLE-5-CARBOXYLATE
N-(3-chlorophenyl)-5,6-dimethyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine
(E)-TERT-BUTYL4-(1-AMINO-3-ETHOXY-3-OXOPROP-1-ENYL)PIPERIDINE-1-CARBOXYLATE
C16H17O2P (272.09661120000004)
ETHYL 4-METHYL-5-OXO-4,5-DIHYDRO[1,2,3]TRIAZOLO[1,5-A]QUINAZOLINE-3-CARBOXYLATE
ETHYL5-(TERT-BUTOXYCARBONYLAMINO)THIAZOLE-4-CARBOXYLATE
1H-Benz[g]indole-3-carboxaldehyde,2-(2-pyridinyl)-(9CI)
1H-Benz[g]indole-3-carboxaldehyde,2-(3-pyridinyl)-(9CI)
1H-Benz[g]indole-3-carboxaldehyde,2-(4-pyridinyl)-(9CI)
4-({[2-(dimethylamino)ethyl]amino}sulfonyl)benzoic acid
3-[(4-fluorophenyl)methyl]-7,8-dihydro-6H-chromene-2,5-dione
C16H13FO3 (272.08486800000003)
7-(4-CHLOROPHENYL)-5,6-DIMETHYL-7H-PYRROLO[2,3-D]PYRIMIDIN-4-AMINE
3-amino-n-[2-(2-hydroxyethyl)sulfonyl]ethyl benzamide
5-tert-Butoxycarbonylamino-thiazole-2-carboxylic acid ethyl ester
2,6-Anhydro-1-deoxy-L-arabino-hex-5-enitol 3,4,5-triacetate
3-[3-(2-carboxyethyl)-4,4-dimethyl-2,5-dioxoimidazolidin-1-yl]propanoic acid
(4-((NEOPENTYLOXY)SULFONYL)PHENYL)BORONIC ACID
C11H17BO5S (272.08897020000006)
1-[2-(3,4-Dichlorophenyl)ethyl]-4-methylpiperazine
N,N-dimethyl-N-(7-thiophen-2-yl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methanimidamide
C12H12N6S (272.08441120000003)
2,3,4-Trihydroxybutyl 2,4-dihydroxy-6-methylbenzoate
3,5,5-Trimethyl-2-sulfanylidene-1,6-dihydrobenzo[h]quinazolin-4-one
N-[(3-fluorobenzoyl)oxy]-4-methylbenzenecarboximidamide
2-[(5-oxo-3-sulfanylidene-2H-1,2,4-triazin-6-yl)amino]propanoic acid butyl ester
1-(4,6-Dimethoxy-2-pyrimidinyl)-3-(2-methoxyethyl)thiourea
(E)-3-(4-fluorophenyl)-N-(6-methoxypyridin-3-yl)prop-2-enamide
2-(2-Phenylethylthio)-1,5,6,7-tetrahydrocyclopenta[d]pyrimidin-4-one
(2S)-2-amino-3-[[5-(2-aminoethyl)-2,3-dihydroxyphenyl]thio]propanoic acid
5-Ethyluridine
5-Ethyluridine is a purine nucleoside analogue. Purine nucleoside analogs have broad antitumor activity targeting indolent lymphoid malignancies. Anticancer mechanisms in this process rely on inhibition of DNA synthesis, induction of apoptosis, etc[1].
ADX88178
C12H12N6S (272.08441120000003)
ADX88178 is a potent metabotropic glutamate receptor 4 positive allosteric modulator (mGluR4 PAM) with an EC50 of 4 nM for human mGluR4.