Exact Mass: 522.3192516

2-O-Acetyl-20-hydroxyecdysone, an ecdysterones in insects and terrestrial plants, inhibits amyloid-β42 (Aβ42)-induced cytotoxicity. 2-O-Acetyl-20-hydroxyecdysone could decrease Aβ oligomer formation through promotion of fibrogenesis, transforming Aβ oligomers to the low-toxicity fibrils[1].

CID 154831723

[(2R,3S,5S,9S,10S,13S,14R,17R)-2,14-Dihydroxy-10,13-dimethyl-6-oxo-17-[(2S,3S)-2,3,6-trihydroxy-6-methylheptan-2-yl]-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate

Viticosterone E

25-acetoxy-2beta,3beta,14alpha,20,22R-pentahydroxy-5beta-cholest-7-en-6-one

Colossolactone E

(+)-Colossolactone E

Gentirigenic acid

(24Z)-29-Hydroxy-24(28)-dehydromakisterone C

(+)-commiphotetrol

Ptychantin B

3-O-acetylteikagenin-3-O-beta-D-fucopyranoside (basikoside B)|3-O-acetylteikagenin-3-O-beta-D-fucopyranoside

(1R,2R,3E,11R,12S)-2-O-acetyl-16-O-(3-hydroxy-3-methylglutaryl)-2,16,18-trihydroxydolabella-3,8(17)-dien-7-one

(3beta,5alpha,16beta,20S)-3,16-dihydroxy-6-oxopregnane-20-carboxylic acid gamma-lactone 3-(beta-D-glucopyranoside)|(3beta,5alpha,16beta,20S)-3-(beta-D-glucopyranosyloxy)-16-hydroxy-6-oxopregnane-20-carboxylic acid gamma-lactone|ypsilactoside A

2beta,3beta,14alpha,20beta-tetrahydroxy-22alpha-(2-hydroxyacetoxy)-5beta-colest-7-en-6-one

schiprolactone A

A tetracyclic triterpenoid isolated from Schisandra propinqua and Schisandra henryi. It has been shown to exhibit cytotoxic activity against Leukemia cells.

ajugacetalsterone A

Salvigreside D

Ivain II

A diterpenoid isolated from the aerial parts of Ajuga bracteosa and has been shown to exhibit antifeedant activity.

pestalofone B

N,N-dimethyl-L-threonine (4S)-7t-isobutyl-5,8-dioxo-3t-phenyl-2-oxa-6,9-diaza-1(1,4)-benzena-cycloundecaphan-10c-en-4r-ylamide|Nummularin-E|nummularine-E

C29H38N4O5 (522.2842058)

13-epi-manoyl oxide-19-O-alpha-L-2,5-diacetoxyarabinofuranoside

morinin H

dihydrosiphonarin B

heteroclitalactone D

Phe Gln Thr Lys

2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]-5-carbamimidamidopentanamido]hexanamido]acetic acid

C23H38N8O6 (522.2914168)

N-depyridomethyl-Indinavir

C30H42N4O4 (522.3205892)

Alkest TW 20

2-{2-[3,4-bis(2-hydroxyethoxy)oxolan-2-yl]-2-(2-hydroxyethoxy)ethoxy}ethyl dodecanoate

C26H50O10 (522.34038)

D010592 - Pharmaceutic Aids > D014677 - Pharmaceutical Vehicles > D005079 - Excipients D013501 - Surface-Active Agents > D011092 - Polyethylene Glycols D013501 - Surface-Active Agents > D011136 - Polysorbates D001697 - Biomedical and Dental Materials

Physangulide

15-[1-(4,5-dihydroxy-4,5-dimethyl-6-oxooxan-2-yl)-1-hydroxyethyl]-5,6-dihydroxy-2,16-dimethyl-8-oxapentacyclo[9.7.0.0^{2,7}.0^{7,9}.0^{12,16}]octadecan-3-one

2beta,3beta,14alpha,20beta-Tetrahydroxy-22alpha-(2-hydroxyacetiloxy)-5beta-cholest-7-en-6-one

Penicisteroid F

A class I yanuthone that is yanuthone F in which the hydroxy group attached to the epoxycyclohexenone ring has been converted into the corresponding beta-D-glucoside.

yanuthone J

ST 29:3;O3;S

C29H46O6S (522.3014936)

(1r,2r,5s,6s,7r,9r,11r,12r,15s,16s)-15-[(1r)-1-[(2s,4s,5r)-4,5-dihydroxy-4,5-dimethyl-6-oxooxan-2-yl]-1-hydroxyethyl]-5,6-dihydroxy-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadecan-3-one

(1s,3as,5ar,7r,8s,9ar,9br,11ar)-3a,7,8-trihydroxy-9a,11a-dimethyl-1-[(2r,3r,5z)-2,3,7-trihydroxy-5-(2-hydroxypropan-2-yl)hept-5-en-2-yl]-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-5-one

(2r,3'r,4'ar,5's,6'r,6'ar,10'ar,10'br)-6'a-(hydroxymethyl)-4'a,10'b-dimethyl-5'-[(2-methylpropanoyl)oxy]-5''-oxo-octahydrodispiro[oxirane-2,7'-naphtho[2,1-b]pyran-3',3''-oxolan]-6'-yl 2-methylpropanoate

(2r,3'r,4'ar,5's,6'r,6'ar,10'ar,10'br)-6'a-(hydroxymethyl)-4'a,10'b-dimethyl-5'-[(2-methylpropanoyl)oxy]-5''-oxo-octahydrodispiro[oxirane-2,7'-naphtho[2,1-b]pyran-3',3''-oxolan]-6'-yl 2-methylpropanoate

3a,7-dihydroxy-9a,11a-dimethyl-5-oxo-1-(2,3,6-trihydroxy-6-methylheptan-2-yl)-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-8-yl acetate

6-ethyl-7'-hydroxy-5,6',14',16'-tetramethyl-3'-oxo-2',20'-dioxaspiro[oxane-2,21'-tricyclo[17.3.1.0⁴,⁹]tricosane]-4',6',8',10',12',16'-hexaene-10'-carbaldehyde

2-{3a,7,8-trihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-2,6-dihydroxy-6-methylheptan-3-yl acetate

(1s,2r,5s,6s,7r,9r,11s,12s,15s,16s)-15-[(1r)-1-[(2s,4r)-4,5-dihydroxy-4,5-dimethyl-6-oxooxan-2-yl]-1-hydroxyethyl]-5,6-dihydroxy-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadecan-3-one

(1r,3r,4r,5s,7r,11r,16s)-3,7,12,12,16-pentamethyl-4-[(2r)-1-[(2r)-4-methyl-5-oxo-2h-furan-2-yl]propan-2-yl]-13-oxo-18-oxapentacyclo[13.2.1.0³,⁷.0⁸,¹⁷.0¹¹,¹⁶]octadeca-8(17),14-dien-5-yl acetate

(1r,3r,4r,5s,7r,11r,16s)-3,7,12,12,16-pentamethyl-4-[(2r)-1-[(2r)-4-methyl-5-oxo-2h-furan-2-yl]propan-2-yl]-13-oxo-18-oxapentacyclo[13.2.1.0³,⁷.0⁸,¹⁷.0¹¹,¹⁶]octadeca-8(17),14-dien-5-yl acetate

(2r,3r)-2-[(1s,3as,5ar,7r,8s,9ar,9br,11ar)-3a,7,8-trihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxy-6-methylheptan-3-yl 2-hydroxyacetate

(3s)-5-{[(1r,3as,4s,12as)-4-(acetyloxy)-1-(2-hydroxypropan-2-yl)-3a-methyl-10-methylidene-9-oxo-1h,2h,3h,4h,7h,8h,11h,12h,12ah-cyclopenta[11]annulen-6-yl]methoxy}-3-hydroxy-3-methyl-5-oxopentanoic acid

(3s)-5-{[(1r,3as,4s,12as)-4-(acetyloxy)-1-(2-hydroxypropan-2-yl)-3a-methyl-10-methylidene-9-oxo-1h,2h,3h,4h,7h,8h,11h,12h,12ah-cyclopenta[11]annulen-6-yl]methoxy}-3-hydroxy-3-methyl-5-oxopentanoic acid

(2r,3r)-2-[(1s,3as,5ar,7r,8s,9ar,9br,11ar)-3a,7,8-trihydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2,6-dihydroxy-6-methylheptan-3-yl acetate

(3s,4s)-4-[(2r,3r)-3-[(1s,3as,5as,7r,8s,9ar,9br,11ar)-3a,5a,7,8-tetrahydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2,3-dihydroxybutyl]-3-methyloxolan-2-one

(3s,4s)-4-[(2r,3r)-3-[(1s,3as,5as,7r,8s,9ar,9br,11ar)-3a,5a,7,8-tetrahydroxy-9a,11a-dimethyl-5-oxo-1h,2h,3h,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2,3-dihydroxybutyl]-3-methyloxolan-2-one

(1s,3as,5ar,7r,8s,9ar,9br,11ar)-3a,7,8-trihydroxy-9a,11a-dimethyl-1-[(2r,3r,5s,6s)-2,3,7-trihydroxy-5-isopropyl-6-methylheptan-2-yl]-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-5-one

(1s,3as,5ar,7r,8s,9ar,9br,11ar)-3a,7,8-trihydroxy-9a,11a-dimethyl-1-[(2r,3r,5s,6s)-2,3,7-trihydroxy-5-isopropyl-6-methylheptan-2-yl]-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-5-one

6,6,10,14,18-pentamethyl-15-(1,5,6-trihydroxy-6-methylheptan-2-yl)-2-oxapentacyclo[9.7.0.0¹,³.0⁵,¹⁰.0¹⁴,¹⁸]octadec-11-ene-7,8,13-triol

3-(3,4-dimethoxyphenyl)-1-(6-hydroxy-8-phenyl-1,5,9,13-tetraazacycloheptadec-5-en-1-yl)prop-2-en-1-one

C30H42N4O4 (522.3205892)

4-[(1r,3as,3br,5as,7s,9ar,9bs,11ar)-3a,5a-dihydroxy-9a,11a-dimethyl-7-{[(2s,3r,4s,5r)-3,4,5-trihydroxyoxan-2-yl]oxy}-dodecahydro-1h-cyclopenta[a]phenanthren-1-yl]-5h-furan-2-one

[(2r,3s,4s,5r,6r)-6-{[(1s,3r,4s,4ar,8ar)-4-[2-(furan-3-yl)ethyl]-8-(hydroxymethyl)-3,4,8a-trimethyl-1,2,3,4a,5,6-hexahydronaphthalen-1-yl]oxy}-3,4,5-trihydroxyoxan-2-yl]methyl acetate

1-[(1s,3as,3br,7s,9ar,9bs,11as)-1,3a-dihydroxy-7-{[(2r,4s,5r,6r)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy}-9a,11a-dimethyl-2h,3h,3bh,4h,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-methoxyethanone

1-[(1s,3as,3br,7s,9ar,9bs,11as)-1,3a-dihydroxy-7-{[(2r,4s,5r,6r)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy}-9a,11a-dimethyl-2h,3h,3bh,4h,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-methoxyethanone

(1s,5ar,7r,8s,9ar,11ar)-1-[(2r)-5-ethyl-2,3,7-trihydroxy-6-methylheptan-2-yl]-3a,7,8-trihydroxy-5a,9a,11a-trimethyl-1h,2h,3h,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-5-one

methyl (3e,3as,5ar,6r,7r,9ar,9bs)-7-(acetyloxy)-3-[(3e,5e,7e)-6,10-dimethylundeca-3,5,7,9-tetraen-2-ylidene]-3a,6,9a-trimethyl-2-oxo-octahydrocyclopenta[a]naphthalene-6-carboxylate

(1s,3r,5s,6s,6'z)-5'-[(1r,2r,3e,5s,6s)-2,5-dihydroxy-1-(3-methylbut-2-en-1-yl)-7-oxabicyclo[4.1.0]heptan-3-ylidene]-5-hydroxy-3'-methyl-1-(3-methylbut-2-en-1-yl)-6'-(2-methylprop-2-en-1-ylidene)-7-oxaspiro[bicyclo[4.1.0]heptane-3,1'-cyclohexan]-3'-en-2-one

(1s,3r,5s,6s,6'z)-5'-[(1r,2r,3e,5s,6s)-2,5-dihydroxy-1-(3-methylbut-2-en-1-yl)-7-oxabicyclo[4.1.0]heptan-3-ylidene]-5-hydroxy-3'-methyl-1-(3-methylbut-2-en-1-yl)-6'-(2-methylprop-2-en-1-ylidene)-7-oxaspiro[bicyclo[4.1.0]heptane-3,1'-cyclohexan]-3'-en-2-one

(2s,3s,5s,6s,8r,9r,10s,11s)-8-[(1r)-1-(6-ethyl-3,5-dimethyl-4-oxopyran-2-yl)ethyl]-8,10-dihydroxy-2-[(2r,3r)-3-hydroxypentan-2-yl]-3,5,9,11-tetramethyl-1,7-dioxaspiro[5.5]undecan-4-one

1-[(2s,3'r)-7'-hydroxy-3'-methoxy-3'-octyl-3h-spiro[1-benzofuran-2,1'-[2]benzofuran]-4-yl]nonan-1-one

6,6'-diethyl-7'-hydroxy-5,10',14',16'-tetramethyl-2',20'-dioxaspiro[oxane-2,21'-tricyclo[17.3.1.0⁴,⁹]tricosane]-4'(9'),5',7',10',12',16'-hexaen-3'-one

5,6,10-tris(acetyloxy)-3-ethenyl-3,4a,7,7,10a-pentamethyl-octahydro-1h-naphtho[2,1-b]pyran-1-yl acetate

(1r,3s,6r,7r,8s,11r,12s,15r,16s,19r,20s,21r,23s)-1,8,19,23-tetrahydroxy-20-(hydroxymethyl)-3,7,11,16,20-pentamethylpentacyclo[13.8.0.0³,¹².0⁶,¹¹.0¹⁶,²¹]tricosane-7-carboxylic acid

8-[1-(6-ethyl-3,5-dimethyl-4-oxopyran-2-yl)ethyl]-8,10-dihydroxy-2-(3-hydroxypentan-2-yl)-3,5,9,11-tetramethyl-1,7-dioxaspiro[5.5]undecan-4-one

2-{[4-(3-hydroxybutyl)-3,3,5-trimethylcyclohexyl]oxy}-6-{[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]methyl}oxane-3,4,5-triol

C25H46O11 (522.3039966)

(4e,7s)-n-[2-(chloromethylidene)-4-methoxy-6-oxo-6-(2-oxo-5h-pyrrol-1-yl)hex-4-en-1-yl]-7-methoxy-n-methyltetradec-4-enamide

C28H43ClN2O5 (522.2860338)

(1s,2r,3s,3ar,5s,6r,7s,7as)-1-[(1s)-1-(acetyloxy)ethyl]-3,6-dihydroxy-2-[(2-methylbutanoyl)oxy]-4-methylidene-7-[(2s)-2-methyloxiran-2-yl]-octahydroinden-5-yl (2e)-3-methylpent-2-enoate

5-{6-[6-(5-hydroxy-2,6,6-trimethyloxan-2-yl)-8a-methyl-2h,3h,4h,4ah,8h-pyrano[3,2-b]pyran-2-yl]-2,6-dimethyl-5h-pyran-2-yl}-2-methylpentane-2,3-diol

(6'z)-5'-[2,5-dihydroxy-1-(3-methylbut-2-en-1-yl)-7-oxabicyclo[4.1.0]heptan-3-ylidene]-5-hydroxy-3'-methyl-1-(3-methylbut-2-en-1-yl)-6'-(2-methylprop-2-en-1-ylidene)-7-oxaspiro[bicyclo[4.1.0]heptane-3,1'-cyclohexan]-3'-en-2-one

(6'z)-5'-[2,5-dihydroxy-1-(3-methylbut-2-en-1-yl)-7-oxabicyclo[4.1.0]heptan-3-ylidene]-5-hydroxy-3'-methyl-1-(3-methylbut-2-en-1-yl)-6'-(2-methylprop-2-en-1-ylidene)-7-oxaspiro[bicyclo[4.1.0]heptane-3,1'-cyclohexan]-3'-en-2-one

(2s,3r,4r,5r,6r)-2-methyl-6-{[(2r,3s,4s,5r,6r)-3,4,5-trihydroxy-6-{[(2r)-4-[(1s,4s,6r)-4-hydroxy-2,2,6-trimethylcyclohexyl]butan-2-yl]oxy}oxan-2-yl]methoxy}oxane-3,4,5-triol

C25H46O11 (522.3039966)

methyl (3z,3as,5ar,6r,7r,9ar,9bs)-7-(acetyloxy)-3-[(3e,5z,7e)-6,10-dimethylundeca-3,5,7,9-tetraen-2-ylidene]-3a,6,9a-trimethyl-2-oxo-octahydrocyclopenta[a]naphthalene-6-carboxylate

2,3,4-trihydroxyicosyl 3-(4-hydroxy-3-methoxyphenyl)prop-2-enoate

7,8,11-trihydroxy-3a,6,6,9a,11a-pentamethyl-1-(1,5,6-trihydroxy-6-methylheptan-2-yl)-1h,2h,3h,5h,5ah,7h,8h,9h,10h,11h-cyclopenta[a]phenanthren-4-one

(1r,2s,4s,7s,8r,9s,12s,13r,16s,18s)-7,9,13-trimethyl-16-{[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-5-oxapentacyclo[10.8.0.0²,⁹.0⁴,⁸.0¹³,¹⁸]icosane-6,19-dione

(1s,3as,5ar,7r,8s,9ar,9br,11ar)-1-[(1r)-1-[(2r,4s,5s,6r)-4-ethyl-4,6-dihydroxy-5-methyloxan-2-yl]-1-hydroxyethyl]-3a,7,8-trihydroxy-9a,11a-dimethyl-1h,2h,3h,5ah,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-5-one

(2r,3r,4r,5s,6s)-2-{[(3s)-5-[(1r,4ar,8ar)-5,5,8a-trimethyl-2-methylidene-hexahydro-1h-naphthalen-1-yl]-3-methylpentyl]oxy}-3-(acetyloxy)-5-hydroxy-6-methyloxan-4-yl acetate