Exact Mass: 345.1618526
Exact Mass Matches: 345.1618526
Found 185 metabolites which its exact mass value is equals to given mass value 345.1618526
,
within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error
0.001 dalton.
(2-(2',6'-Dimethoxy)phenoxyethylamino)methylbenzo-1,4-dioxane
C19H23NO5 (345.15761480000003)
D018377 - Neurotransmitter Agents > D018663 - Adrenergic Agents > D018674 - Adrenergic Antagonists
4-[[4-Amino-6-(2,4,6-trimethylanilino)-1,3,5-triazin-2-yl]amino]benzonitrile
Inolin
C19H23NO5 (345.15761480000003)
N-Desmethyl-8??-ethoxy pretazettine
C19H23NO5 (345.15761480000003)
10beta-Hydroxy-3,4-dimethoxy-17-methyl-hasubanan-7,8-dion|10beta-hydroxy-3,4-dimethoxy-17-methyl-hasubanan-7,8-dione
C19H23NO5 (345.15761480000003)
L,L,D-alpha-aminodipoyl-serinyl-isodehydrovaline
C14H23N3O7 (345.15359279999996)
alpha-N-acetyl-indole-3-acetyl-epsilon-L-lysine|N-alpha-Acetyl-N-epsilon-(indole-3-acetyl)-L-lysine
C18H23N3O4 (345.16884780000004)
3alpha,6alpha,7-trimethoxy-crin-1-ene|6-Methoxybuphanidrin|6alpha-methoxy-buphanidrine|6alpha-methoxybuphanidrine
C19H23NO5 (345.15761480000003)
N-2-(3,4,5-trimethoxyphenyl)ethyl-2-hydroxybenzamide
C19H23NO5 (345.15761480000003)
4,5-epoxy-10-hydroxy-3,6-dimethoxy-17-methyl-morphinan-8-one|Metaphanin
C19H23NO5 (345.15761480000003)
Ala Ala Ala Asn
Ala Ala Gly Gln
Ala Ala Asn Ala
Ala Ala Gln Gly
Ala Gly Ala Gln
Ala Gly Gln Ala
Ala Asn Ala Ala
Ala Gln Ala Gly
Ala Gln Gly Ala
Gly Ala Ala Gln
Gly Ala Gln Ala
Gly Gly Asn Val
Gly Gly Val Asn
Gly Asn Gly Val
Gly Asn Val Gly
Gly Gln Ala Ala
Gly Val Gly Asn
Gly Val Asn Gly
Asn Ala Ala Ala
Asn Gly Gly Val
Asn Gly Val Gly
Asn Val Gly Gly
Gln Ala Ala Gly
Gln Ala Gly Ala
Gln Gly Ala Ala
Val Gly Gly Asn
Val Gly Asn Gly
Val Asn Gly Gly
2- (2,6-DIMETHOXYPHENOXYETHYL)AMINOMETHYL-1,4-BENZODIOXANE (WB 4101)
C19H23NO5 (345.15761480000003)
1-BOC-4-[3-(TRIFLUOROMETHYL)PHENYL]-4-HYDROXYPIPERIDINE
C17H22F3NO3 (345.15516980000007)
sodium,methyl 2,2-dimethyl-4,6-dioxo-5-[(E)-N-prop-2-enoxy-C-propylcarbonimidoyl]cyclohexane-1-carboxylate
Tretoquinolum
C19H23NO5 (345.15761480000003)
R - Respiratory system > R03 - Drugs for obstructive airway diseases > R03C - Adrenergics for systemic use > R03CC - Selective beta-2-adrenoreceptor agonists R - Respiratory system > R03 - Drugs for obstructive airway diseases > R03A - Adrenergics, inhalants > R03AC - Selective beta-2-adrenoreceptor agonists D019141 - Respiratory System Agents > D018927 - Anti-Asthmatic Agents > D001993 - Bronchodilator Agents D018373 - Peripheral Nervous System Agents > D001337 - Autonomic Agents > D013566 - Sympathomimetics C78273 - Agent Affecting Respiratory System > C29712 - Anti-asthmatic Agent > C319 - Bronchodilator C78272 - Agent Affecting Nervous System > C29747 - Adrenergic Agent > C87053 - Adrenergic Agonist D018377 - Neurotransmitter Agents > D018663 - Adrenergic Agents > D000322 - Adrenergic Agonists
tert-butyl 4-(4-amino-2-(trifluoromethyl)phenyl)piperazine-1-carboxylate
4-(2-Amino-4-trifluoromethyl-phenyl)-piperazine-1-carboxylic acid tert-butyl ester
1-Benzyl-N-(tert-butoxycarbonyl)-D-histidine
C18H23N3O4 (345.16884780000004)
Carbamic acid, [5-oxo-5-[4-(trifluoromethyl)phenyl]pentyl]-, 1,1-dimethylethyl ester
C17H22F3NO3 (345.15516980000007)
TERT-BUTYL 4-(2-CARBAMOYLBENZOFURAN-5-YL)PIPERAZINE-1-CARBOXYLATE
C18H23N3O4 (345.16884780000004)
2-(4-Boc-piperazinyl)-α-(2-cyano-phenyl)acetic acid
C18H23N3O4 (345.16884780000004)
2-dodecylsulfanylcarbothioylsulfanyl-2-methylpropanenitrile
3-(3-Trifluoromethyl-phenoxy)-piperidine-1-carboxylic acid tert-butyl ester
C17H22F3NO3 (345.15516980000007)
Benzydamine hydrochloride
C78272 - Agent Affecting Nervous System > C241 - Analgesic Agent > C2198 - Nonnarcotic Analgesic D000893 - Anti-Inflammatory Agents
1-BOC-4-(4-TRIFLUOROMETHYLPHENOXY)PIPERIDINE
C17H22F3NO3 (345.15516980000007)
(4R,4aR,7S,7aR,12bS)-3-methyl-1,2,3,4,4a,7,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinoline-3-ium-7,9-diol,acetate
C19H23NO5 (345.15761480000003)
2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-2-(3-cyanophenyl)a
C18H23N3O4 (345.16884780000004)
2-(4-BOC-PIPERAZINYL)-2-(4-CYANO-PHENYL)ACETIC ACID
C18H23N3O4 (345.16884780000004)
tert-Butyl 4-(2-(trifluoromethyl)phenoxy)piperidine-1-carboxylate
C17H22F3NO3 (345.15516980000007)
4-[[4-[4-(hydroxymethyl)-2,6-dimethylanilino]pyrimidin-2-yl]amino]benzonitrile
C20H19N5O (345.15895240000003)
Metipranolol Hydrochloride
C17H28ClNO4 (345.1706758000001)
C78272 - Agent Affecting Nervous System > C29747 - Adrenergic Agent > C72900 - Adrenergic Antagonist Metipranolol hydrochloride is a non-selective β adrenergic receptor blocking agent.
Tretoquinol
C19H23NO5 (345.15761480000003)
R - Respiratory system > R03 - Drugs for obstructive airway diseases > R03C - Adrenergics for systemic use > R03CC - Selective beta-2-adrenoreceptor agonists R - Respiratory system > R03 - Drugs for obstructive airway diseases > R03A - Adrenergics, inhalants > R03AC - Selective beta-2-adrenoreceptor agonists D019141 - Respiratory System Agents > D018927 - Anti-Asthmatic Agents > D001993 - Bronchodilator Agents D018373 - Peripheral Nervous System Agents > D001337 - Autonomic Agents > D013566 - Sympathomimetics D018377 - Neurotransmitter Agents > D018663 - Adrenergic Agents > D000322 - Adrenergic Agonists
Ethyl 2-[4-(carbamoylamino)-8-ethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetate
C18H23N3O4 (345.16884780000004)
D006133 - Growth Substances > D010937 - Plant Growth Regulators > D007210 - Indoleacetic Acids
1-benzyl-5-chloro-N-cycloheptyl-3-methyl-1H-pyrazole-4-carboxamide
Aspyridone B
C19H23NO5 (345.15761480000003)
2-Pyridone carrying as substituents a branched dimethylhexanoyl group, a hydroxy group and a 3,4-dihydroxyphenyl group at C-3, -4 and -5 respectively. Secondary metabolite produced by Aspergillus spp.
3-[[2-(4-Methyl-1-piperazinyl)-1-oxoethyl]amino]-2-benzofurancarboxylic acid ethyl ester
C18H23N3O4 (345.16884780000004)
N-(2-fluorophenyl)-3-[4-(2-fluorophenyl)-1-piperazinyl]propanamide
(1S)-1-[(3-hydroxy-4-methoxyphenyl)methyl]-6-methoxy-2-methyl-2-oxido-3,4-dihydro-1H-isoquinolin-2-ium-7-ol
C19H23NO5 (345.15761480000003)
3-[4-(acetyloxy)-2,3,5-trimethylphenoxy]-2-hydroxy-N-(propan-2-yl)propan-1-aminium chloride
C17H28ClNO4 (345.1706758000001)
N-[(2S,3R,6S)-6-[2-(cyclopropylmethylamino)-2-oxoethyl]-2-(hydroxymethyl)-3,6-dihydro-2H-pyran-3-yl]-4-pyridinecarboxamide
C18H23N3O4 (345.16884780000004)
N-[(2S,3S,6R)-6-[2-(cyclopropylmethylamino)-2-oxoethyl]-2-(hydroxymethyl)-3,6-dihydro-2H-pyran-3-yl]pyridine-4-carboxamide
C18H23N3O4 (345.16884780000004)
N-[(2R,3S,6R)-6-[2-(cyclopropylmethylamino)-2-oxoethyl]-2-(hydroxymethyl)-3,6-dihydro-2H-pyran-3-yl]-4-pyridinecarboxamide
C18H23N3O4 (345.16884780000004)
N-[(2S,3R,6R)-6-[2-(cyclopropylmethylamino)-2-oxoethyl]-2-(hydroxymethyl)-3,6-dihydro-2H-pyran-3-yl]-4-pyridinecarboxamide
C18H23N3O4 (345.16884780000004)
N-[(2S,3S,6S)-6-[2-(cyclopropylmethylamino)-2-oxoethyl]-2-(hydroxymethyl)-3,6-dihydro-2H-pyran-3-yl]-4-pyridinecarboxamide
C18H23N3O4 (345.16884780000004)
N-[(2R,3S,6S)-6-[2-(cyclopropylmethylamino)-2-oxoethyl]-2-(hydroxymethyl)-3,6-dihydro-2H-pyran-3-yl]-4-pyridinecarboxamide
C18H23N3O4 (345.16884780000004)
N-[(2R,3R,6S)-6-[2-(cyclopropylmethylamino)-2-oxoethyl]-2-(hydroxymethyl)-3,6-dihydro-2H-pyran-3-yl]-4-pyridinecarboxamide
C18H23N3O4 (345.16884780000004)
N-[(2R,3R,6R)-6-[2-(cyclopropylmethylamino)-2-oxoethyl]-2-(hydroxymethyl)-3,6-dihydro-2H-pyran-3-yl]-4-pyridinecarboxamide
C18H23N3O4 (345.16884780000004)
WB-4101 HCL
C19H23NO5 (345.15761480000003)
D018377 - Neurotransmitter Agents > D018663 - Adrenergic Agents > D018674 - Adrenergic Antagonists
8-hydroxy-3,4-dimethoxy-17-methyl-17-azatetracyclo[8.4.3.0¹,¹⁰.0²,⁷]heptadeca-2,4,6-triene-11,12-dione
C19H23NO5 (345.15761480000003)
(1s,11s,13r,16s,18s)-11-ethoxy-18-methoxy-5,7,12-trioxa-15-azapentacyclo[11.7.0.0¹,¹⁶.0²,¹⁰.0⁴,⁸]icosa-2,4(8),9,19-tetraene
C19H23NO5 (345.15761480000003)
(1s,11s,13r,16r,18s)-11-ethoxy-18-methoxy-5,7,12-trioxa-15-azapentacyclo[11.7.0.0¹,¹⁶.0²,¹⁰.0⁴,⁸]icosa-2,4(8),9,19-tetraene
C19H23NO5 (345.15761480000003)
1-[5-(3,4-dihydroxyphenyl)-2,4-dihydroxypyridin-3-yl]-2,4-dimethylhexan-1-one
C19H23NO5 (345.15761480000003)
(1r,9s,10s)-3-hydroxy-4,12-dimethoxy-17-methyl-13-oxo-17-azatetracyclo[7.5.3.0¹,¹⁰.0²,⁷]heptadeca-2,4,6,11-tetraen-17-ium-17-olate
C19H23NO5 (345.15761480000003)
6-o-methylpretazettine
C19H23NO5 (345.15761480000003)
{"Ingredient_id": "HBIN012698","Ingredient_name": "6-o-methylpretazettine","Alias": "NA","Ingredient_formula": "C19H23NO5","Ingredient_Smile": "Not Available","Ingredient_weight": "NA","OB_score": "NA","CAS_id": "NA","SymMap_id": "NA","TCMID_id": "14679","TCMSP_id": "NA","TCM_ID_id": "NA","PubChem_id": "NA","DrugBank_id": "NA"}
3,5,13-trimethoxy-10-(methylamino)tricyclo[9.4.0.0²,⁷]pentadeca-1(15),2,4,6,11,13-hexaene-4,14-diol
C19H23NO5 (345.15761480000003)
(5r,9bs,11r)-5-hydroxy-7,8,11-trimethoxy-2h,4h,5h,10h,11h-indolo[7a,1-a]isoquinolin-3-ium-3-olate
C19H23NO5 (345.15761480000003)
9-hydroxy-11-oxa-4-azatetracyclo[8.6.1.0¹,¹².0⁶,¹⁷]heptadeca-6,8,10(17),15-tetraen-14-yl 3-hydroxybutanoate
C19H23NO5 (345.15761480000003)
(1r)-2-[(3-hydroxy-4-methoxyphenyl)methyl]-1-(hydroxymethyl)-6-methoxy-3,4-dihydro-1h-isoquinolin-7-ol
C19H23NO5 (345.15761480000003)
5-[(1s,3z,4s,5r,8s,9s,13r)-4,9-dimethyl-2,14-dioxa-10-azapentacyclo[6.5.1.0¹,⁵.0⁶,¹⁰.0⁹,¹³]tetradecan-3-ylidene]-4-methoxy-3-methylfuran-2-one
C19H23NO5 (345.15761480000003)
(1s,11r,13r,16r,18s)-11-ethoxy-18-methoxy-5,7,12-trioxa-15-azapentacyclo[11.7.0.0¹,¹⁶.0²,¹⁰.0⁴,⁸]icosa-2,4(8),9,19-tetraene
C19H23NO5 (345.15761480000003)
(1r,8r,10s)-3,8-dihydroxy-4,12-dimethoxy-17-methyl-17-azatetracyclo[8.4.3.0¹,¹⁰.0²,⁷]heptadeca-2,4,6,12-tetraen-11-one
C19H23NO5 (345.15761480000003)
(1r,11r,13s,16r,18r)-18-ethoxy-11-methoxy-5,7,12-trioxa-15-azapentacyclo[11.7.0.0¹,¹⁶.0²,¹⁰.0⁴,⁸]icosa-2,4(8),9,19-tetraene
C19H23NO5 (345.15761480000003)
(4s,6s,7z,9r,10r,11r)-3,11,14-trihydroxy-4,6,8,10-tetramethyl-17-oxa-2-azatricyclo[7.6.2.0¹²,¹⁶]heptadeca-1(15),2,7,12(16),13-pentaen-5-one
C19H23NO5 (345.15761480000003)
(2e)-3-(4-hydroxy-3,5-dimethoxycyclohexa-2,4-dien-1-yl)-n-[2-(4-hydroxyphenyl)ethyl]prop-2-enimidic acid
C19H23NO5 (345.15761480000003)
11-ethoxy-18-methoxy-5,7,12-trioxa-15-azapentacyclo[11.7.0.0¹,¹⁶.0²,¹⁰.0⁴,⁸]icosa-2,4(8),9,19-tetraene
C19H23NO5 (345.15761480000003)
(1s,14r)-9-hydroxy-11-oxa-4-azatetracyclo[8.6.1.0¹,¹².0⁶,¹⁷]heptadeca-6,8,10(17),15-tetraen-14-yl (3s)-3-hydroxybutanoate
C19H23NO5 (345.15761480000003)
3,11,14-trihydroxy-4,6,8,10-tetramethyl-17-oxa-2-azatricyclo[7.6.2.0¹²,¹⁶]heptadeca-1(15),2,7,12(16),13-pentaen-5-one
C19H23NO5 (345.15761480000003)
(1s)-7-hydroxy-1-[(3-hydroxy-4-methoxyphenyl)methyl]-6-methoxy-2-methyl-3,4-dihydro-1h-isoquinolin-2-ium-2-olate
C19H23NO5 (345.15761480000003)
4,12-dimethoxy-17-methyl-18-oxa-17-azapentacyclo[8.4.3.1⁸,¹¹.0¹,¹⁰.0²,⁷]octadeca-2,4,6,12-tetraene-3,11-diol
C19H23NO5 (345.15761480000003)
(1s,2r)-7-hydroxy-1-[(3-hydroxy-4-methoxyphenyl)methyl]-6-methoxy-2-methyl-3,4-dihydro-1h-isoquinolin-2-ium-2-olate
C19H23NO5 (345.15761480000003)
4,5,6-trimethoxy-16-methyl-9-oxa-16-azatetracyclo[8.7.0.0²,⁷.0¹³,¹⁷]heptadeca-2(7),3,5,12-tetraen-8-one
C19H23NO5 (345.15761480000003)
(1s,9r,10r)-3,12-dihydroxy-4,11-dimethoxy-17-methyl-17-azatetracyclo[7.5.3.0¹,¹⁰.0²,⁷]heptadeca-2,4,6,11-tetraen-13-one
C19H23NO5 (345.15761480000003)
7-chloro-3-(7-hydroxy-2-methylhepta-2,4-dien-1-yl)-1-methyl-hexahydro-2h-indolizine-1,2,8-triol
C17H28ClNO4 (345.1706758000001)
(3s,5r,9bs,11r)-5-hydroxy-7,8,11-trimethoxy-2h,4h,5h,10h,11h-indolo[7a,1-a]isoquinolin-3-ium-3-olate
C19H23NO5 (345.15761480000003)
5-hydroxy-7,8,11-trimethoxy-2h,4h,5h,10h,11h-indolo[7a,1-a]isoquinolin-3-ium-3-olate
C19H23NO5 (345.15761480000003)
5-[(1s,3z,4s,5r,6r,8s,9s,13r)-4,9-dimethyl-2,14-dioxa-10-azapentacyclo[6.5.1.0¹,⁵.0⁶,¹⁰.0⁹,¹³]tetradecan-3-ylidene]-4-methoxy-3-methylfuran-2-one
C19H23NO5 (345.15761480000003)
(1s,2s,6s,7r,9s)-9-hydroxy-10-(1-hydroxyhexa-2,4-dien-1-ylidene)-3,7,9-trimethyl-3-azatricyclo[5.2.2.0²,⁶]undecane-4,8,11-trione
C19H23NO5 (345.15761480000003)
2-hydroxy-n-methyl-n-[2-(3,4,5-trimethoxyphenyl)ethyl]benzamide
C19H23NO5 (345.15761480000003)
(1s,11r,13r,16s,18s)-11,18-dimethoxy-15-methyl-5,7,12-trioxa-15-azapentacyclo[11.7.0.0¹,¹⁶.0²,¹⁰.0⁴,⁸]icosa-2,4(8),9,19-tetraene
C19H23NO5 (345.15761480000003)
(1s,12s,14r)-9-hydroxy-11-oxa-4-azatetracyclo[8.6.1.0¹,¹².0⁶,¹⁷]heptadeca-6,8,10(17),15-tetraen-14-yl (3r)-3-hydroxybutanoate
C19H23NO5 (345.15761480000003)
(1s,2s,3s,7s,8s,8ar)-7-chloro-3-[(2z,4e)-7-hydroxy-2-methylhepta-2,4-dien-1-yl]-1-methyl-hexahydro-2h-indolizine-1,2,8-triol
C17H28ClNO4 (345.1706758000001)
(1r,10s,17s)-4,5,6-trimethoxy-16-methyl-9-oxa-16-azatetracyclo[8.7.0.0²,⁷.0¹³,¹⁷]heptadeca-2(7),3,5,12-tetraen-8-one
C19H23NO5 (345.15761480000003)
(8s,11r)-11-hydroxy-3,4-dimethoxy-17-methyl-18-oxa-17-azapentacyclo[8.4.3.1⁸,¹¹.0¹,¹⁰.0²,⁷]octadeca-2,4,6-trien-12-one
C19H23NO5 (345.15761480000003)
(4s,6s,7e,9r,10r,11r)-3,11,14-trihydroxy-4,6,8,10-tetramethyl-17-oxa-2-azatricyclo[7.6.2.0¹²,¹⁶]heptadeca-1(15),2,7,12(16),13-pentaen-5-one
C19H23NO5 (345.15761480000003)
(1s,2s,3s,7s,8s,8ar)-7-chloro-3-[(2e,4e)-7-hydroxy-2-methylhepta-2,4-dien-1-yl]-1-methyl-hexahydro-2h-indolizine-1,2,8-triol
C17H28ClNO4 (345.1706758000001)
(2s,4s)-1-[5-(3,4-dihydroxyphenyl)-2,4-dihydroxypyridin-3-yl]-2,4-dimethylhexan-1-one
C19H23NO5 (345.15761480000003)
11,18-dimethoxy-15-methyl-5,7,12-trioxa-15-azapentacyclo[11.7.0.0¹,¹⁶.0²,¹⁰.0⁴,⁸]icosa-2,4(8),9,19-tetraene
C19H23NO5 (345.15761480000003)
(1r,8s,10s)-8-hydroxy-3,4-dimethoxy-17-methyl-17-azatetracyclo[8.4.3.0¹,¹⁰.0²,⁷]heptadeca-2,4,6-triene-11,12-dione
C19H23NO5 (345.15761480000003)
3-(4-hydroxy-3,5-dimethoxyphenyl)-n-[2-(4-hydroxyphenyl)ethyl]propanimidic acid
C19H23NO5 (345.15761480000003)
6-{[1-hydroxy-2-(1h-indol-3-yl)ethylidene]amino}-2-[(1-hydroxyethylidene)amino]hexanoic acid
C18H23N3O4 (345.16884780000004)
(1r)-7-hydroxy-1-[(3-hydroxy-4-methoxyphenyl)methyl]-6-methoxy-2-methyl-3,4-dihydro-1h-isoquinolin-2-ium-2-olate
C19H23NO5 (345.15761480000003)
(1s,11r,13r,16s,18s)-11-ethoxy-18-methoxy-5,7,12-trioxa-15-azapentacyclo[11.7.0.0¹,¹⁶.0²,¹⁰.0⁴,⁸]icosa-2,4(8),9,19-tetraene
C19H23NO5 (345.15761480000003)
(2s)-6-{[1-hydroxy-2-(1h-indol-3-yl)ethylidene]amino}-2-[(1-hydroxyethylidene)amino]hexanoic acid
C18H23N3O4 (345.16884780000004)
(1r,9s,10s,17r)-3-hydroxy-4,12-dimethoxy-17-methyl-13-oxo-17-azatetracyclo[7.5.3.0¹,¹⁰.0²,⁷]heptadeca-2,4,6,11-tetraen-17-ium-17-olate
C19H23NO5 (345.15761480000003)
(1r,8s,10s,11r)-4,12-dimethoxy-17-methyl-18-oxa-17-azapentacyclo[8.4.3.1⁸,¹¹.0¹,¹⁰.0²,⁷]octadeca-2,4,6,12-tetraene-3,11-diol
C19H23NO5 (345.15761480000003)
n-[2-(3,4-dimethoxyphenyl)ethyl]-2,5-dimethoxybenzenecarboximidic acid
C19H23NO5 (345.15761480000003)
3,8-dihydroxy-4,12-dimethoxy-17-methyl-17-azatetracyclo[8.4.3.0¹,¹⁰.0²,⁷]heptadeca-2,4,6,12-tetraen-11-one
C19H23NO5 (345.15761480000003)
9-hydroxy-10-(1-hydroxyhexa-2,4-dien-1-ylidene)-3,7,9-trimethyl-3-azatricyclo[5.2.2.0²,⁶]undecane-4,8,11-trione
C19H23NO5 (345.15761480000003)
(1r,11r,13s,16r,18r)-11-ethoxy-18-methoxy-5,7,12-trioxa-15-azapentacyclo[11.7.0.0¹,¹⁶.0²,¹⁰.0⁴,⁸]icosa-2,4(8),9,19-tetraene
C19H23NO5 (345.15761480000003)