Exact Mass: 526.365805

Exact Mass Matches: 526.365805

Found 49 metabolites which its exact mass value is equals to given mass value 526.365805, within given mass tolerance error 3.2E-7 dalton. Try search metabolite list with more accurate mass tolerance error 6.4E-8 dalton.

3alpha-Acetomethoxy-11alpha-oxo-12-ursen-24-oic acid

Methyl (3R,4R,6ar,6BS,8ar,11R,12S,12ar,14BS)-3-(acetyloxy)-4,6a,6b,8a,11,12,14b-heptamethyl-14-oxo-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicene-4-carboxylic acid

C33H50O5 (526.365805)


3alpha-Acetomethoxy-11alpha-oxo-12-ursen-24-oic acid is found in herbs and spices. 3alpha-Acetomethoxy-11alpha-oxo-12-ursen-24-oic acid is isolated from Olibanum. Isolated from Olibanum. 3alpha-Acetomethoxy-11alpha-oxo-12-ursen-24-oic acid is found in herbs and spices.

   

Dehydropachymic acid

(2R)-2-[(3S,5R,10S,13R,14R,16R,17R)-3-acetyloxy-16-hydroxy-4,4,10,13,14-pentamethyl-2,3,5,6,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


Dehydropachymic acid is a natural product found in Phellodendron amurense and Wolfiporia cocos with data available. Dehydropachymic acid is one of the major triterpenes isolated from Poria cocos. Dehydropachymic acid is more effective in autophagy-lysosome pathway (ALP) impaired cells rather than normal cells[1]. Dehydropachymic acid is one of the major triterpenes isolated from Poria cocos. Dehydropachymic acid is more effective in autophagy-lysosome pathway (ALP) impaired cells rather than normal cells[1].

   

3-Epidehydropachymic acid

(2R)-2-[(3R,5R,10S,13R,14R,16R,17R)-3-acetyloxy-16-hydroxy-4,4,10,13,14-pentamethyl-2,3,5,6,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


3-Epidehydropachymic acid is a natural product found in Wolfiporia cocos with data available.

   
   
   
   

Versisponic acid C

(+)-Versisponic acid C

C33H50O5 (526.365805)


   
   

Methyl 3-acetyl-19-oxo-olean-13(18)-en-28-oate

Methyl 3-acetyl-19-oxo-olean-13(18)-en-28-oate

C33H50O5 (526.365805)


   

Siaresinolsaeure-3-O-acetyl-19-ketoester

Siaresinolsaeure-3-O-acetyl-19-ketoester

C33H50O5 (526.365805)


   

16alpha-acetoxy-24-methylene-3-oxolanost-8-en-21-oic acid

16alpha-acetoxy-24-methylene-3-oxolanost-8-en-21-oic acid

C33H50O5 (526.365805)


   

(26S)-26-O-methylperenniporiol

(26S)-26-O-methylperenniporiol

C33H50O5 (526.365805)


   

15-Ac-3, 15-Dihydroxy-24-methylenelanosta-7, 9(11)-dien-21-oic acid|15alpha-acetyldehydrosulphurenic acid

15-Ac-3, 15-Dihydroxy-24-methylenelanosta-7, 9(11)-dien-21-oic acid|15alpha-acetyldehydrosulphurenic acid

C33H50O5 (526.365805)


   

SCHEMBL22200123

SCHEMBL22200123

C33H50O5 (526.365805)


   
   

3alpha-Acetomethoxy-11alpha-oxo-12-ursen-24-oic acid

methyl 3-(acetyloxy)-4,6a,6b,8a,11,12,14b-heptamethyl-14-oxo-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicene-4-carboxylate

C33H50O5 (526.365805)


   

[3-hydroxy-2-[(5E,8E,11E)-tetradeca-5,8,11-trienoyl]oxypropyl] (7E,9E,11E,13E)-hexadeca-7,9,11,13-tetraenoate

[3-hydroxy-2-[(5E,8E,11E)-tetradeca-5,8,11-trienoyl]oxypropyl] (7E,9E,11E,13E)-hexadeca-7,9,11,13-tetraenoate

C33H50O5 (526.365805)


   

[3-hydroxy-2-[(7E,9E)-tetradeca-7,9-dienoyl]oxypropyl] (5E,7E,9E,11E,13E)-hexadeca-5,7,9,11,13-pentaenoate

[3-hydroxy-2-[(7E,9E)-tetradeca-7,9-dienoyl]oxypropyl] (5E,7E,9E,11E,13E)-hexadeca-5,7,9,11,13-pentaenoate

C33H50O5 (526.365805)


   

(1r,3s,3ar,5ar,7s,9as,11ar)-7-hydroxy-1-[(1s)-1-[(2s,6s)-6-methoxy-5-methyl-3,6-dihydro-2h-pyran-2-yl]ethyl]-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-3-yl acetate

(1r,3s,3ar,5ar,7s,9as,11ar)-7-hydroxy-1-[(1s)-1-[(2s,6s)-6-methoxy-5-methyl-3,6-dihydro-2h-pyran-2-yl]ethyl]-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-3-yl acetate

C33H50O5 (526.365805)


   

methyl 10-(acetyloxy)-2,2,6a,6b,9,9,12a-heptamethyl-1-oxo-4,5,6,7,8,8a,10,11,12,12b,13,14b-dodecahydro-3h-picene-4a-carboxylate

methyl 10-(acetyloxy)-2,2,6a,6b,9,9,12a-heptamethyl-1-oxo-4,5,6,7,8,8a,10,11,12,12b,13,14b-dodecahydro-3h-picene-4a-carboxylate

C33H50O5 (526.365805)


   

2-[2-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

2-[2-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

6-[(1e,3z,7e,9e)-3-ethyl-13-[5-(2-hydroxyethyl)-3,5-dimethyloxolan-2-yl]-5,9,11-trimethyl-12-oxotetradeca-1,3,7,9-tetraen-1-yl]-5-methyl-5,6-dihydropyran-2-one

6-[(1e,3z,7e,9e)-3-ethyl-13-[5-(2-hydroxyethyl)-3,5-dimethyloxolan-2-yl]-5,9,11-trimethyl-12-oxotetradeca-1,3,7,9-tetraen-1-yl]-5-methyl-5,6-dihydropyran-2-one

C33H50O5 (526.365805)


   

(2r)-2-[(3ar)-7-(acetyloxy)-3a,6,6,9a,11,11a-hexamethyl-2-oxo-1h,3h,4h,5h,5ah,7h,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methylhept-5-enoic acid

(2r)-2-[(3ar)-7-(acetyloxy)-3a,6,6,9a,11,11a-hexamethyl-2-oxo-1h,3h,4h,5h,5ah,7h,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methylhept-5-enoic acid

C33H50O5 (526.365805)


   

(1's,2s,3s,4s,5'r,7'r,10's,13'r,17'r,18'r,21'r)-1',3,4,6',6',10',17',21'-octamethyl-5-oxo-14'-oxaspiro[oxolane-2,15'-pentacyclo[11.7.1.0²,¹¹.0⁵,¹⁰.0¹⁸,²¹]henicosan]-2'(11')-en-7'-yl acetate

(1's,2s,3s,4s,5'r,7'r,10's,13'r,17'r,18'r,21'r)-1',3,4,6',6',10',17',21'-octamethyl-5-oxo-14'-oxaspiro[oxolane-2,15'-pentacyclo[11.7.1.0²,¹¹.0⁵,¹⁰.0¹⁸,²¹]henicosan]-2'(11')-en-7'-yl acetate

C33H50O5 (526.365805)


   

3,16-dihydroxy-24-methylenelanosta-7,9(11)-dien-21-oic acid; (3α,16α)-form,3-ac

NA

C33H50O5 (526.365805)


{"Ingredient_id": "HBIN006962","Ingredient_name": "3,16-dihydroxy-24-methylenelanosta-7,9(11)-dien-21-oic acid; (3\u03b1,16\u03b1)-form,3-ac","Alias": "NA","Ingredient_formula": "C33H50O5","Ingredient_Smile": "NA","Ingredient_weight": "0","OB_score": "NA","CAS_id": "NA","SymMap_id": "NA","TCMID_id": "NA","TCMSP_id": "NA","TCM_ID_id": "8425","PubChem_id": "NA","DrugBank_id": "NA"}

   

(2r)-2-[(1r,2r,3ar,5ar,9as,11ar)-2-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

(2r)-2-[(1r,2r,3ar,5ar,9as,11ar)-2-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

2-[7-(acetyloxy)-2-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

2-[7-(acetyloxy)-2-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

(2r)-2-[(1r,3s,3ar,9as,11ar)-3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

(2r)-2-[(1r,3s,3ar,9as,11ar)-3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

methyl 10-(acetyloxy)-2,2,6a,6b,9,9,12a-heptamethyl-1-oxo-4,5,6,7,8,8a,10,11,12,12b,13,14-dodecahydro-3h-picene-4a-carboxylate

methyl 10-(acetyloxy)-2,2,6a,6b,9,9,12a-heptamethyl-1-oxo-4,5,6,7,8,8a,10,11,12,12b,13,14-dodecahydro-3h-picene-4a-carboxylate

C33H50O5 (526.365805)


   

(2s)-2-[(2s,3s,3as,6r,7r,9bs)-6-(3-ethoxy-3-oxopropyl)-2-hydroxy-3a,6,9b-trimethyl-7-(prop-1-en-2-yl)-1h,2h,3h,4h,7h,8h-cyclopenta[a]naphthalen-3-yl]-6-methyl-5-methylideneheptanoic acid

(2s)-2-[(2s,3s,3as,6r,7r,9bs)-6-(3-ethoxy-3-oxopropyl)-2-hydroxy-3a,6,9b-trimethyl-7-(prop-1-en-2-yl)-1h,2h,3h,4h,7h,8h-cyclopenta[a]naphthalen-3-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

(2z)-2-ethylidene-3-{[(2e)-3-(4-methoxyphenyl)prop-2-en-1-yl]oxy}-3-oxopropyl (9z)-octadec-9-enoate

(2z)-2-ethylidene-3-{[(2e)-3-(4-methoxyphenyl)prop-2-en-1-yl]oxy}-3-oxopropyl (9z)-octadec-9-enoate

C33H50O5 (526.365805)


   

(2r)-2-[(1r,3s,3ar,5ar,9as,11ar)-3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

(2r)-2-[(1r,3s,3ar,5ar,9as,11ar)-3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

methyl (4ar,6as,6br,8ar,10s,12ar,12bs,14bs)-10-(acetyloxy)-2,2,6a,6b,9,9,12a-heptamethyl-1-oxo-4,5,6,7,8,8a,10,11,12,12b,13,14b-dodecahydro-3h-picene-4a-carboxylate

methyl (4ar,6as,6br,8ar,10s,12ar,12bs,14bs)-10-(acetyloxy)-2,2,6a,6b,9,9,12a-heptamethyl-1-oxo-4,5,6,7,8,8a,10,11,12,12b,13,14b-dodecahydro-3h-picene-4a-carboxylate

C33H50O5 (526.365805)


   

2-[6-(3-ethoxy-3-oxopropyl)-2-hydroxy-3a,6,9b-trimethyl-7-(prop-1-en-2-yl)-1h,2h,3h,4h,7h,8h-cyclopenta[a]naphthalen-3-yl]-6-methyl-5-methylideneheptanoic acid

2-[6-(3-ethoxy-3-oxopropyl)-2-hydroxy-3a,6,9b-trimethyl-7-(prop-1-en-2-yl)-1h,2h,3h,4h,7h,8h-cyclopenta[a]naphthalen-3-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

2-[(1r,2r,3ar,5ar,7s,9as,11ar)-7-(acetyloxy)-2-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

2-[(1r,2r,3ar,5ar,7s,9as,11ar)-7-(acetyloxy)-2-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

(2e)-2-ethylidene-3-{[(2e)-3-(4-methoxyphenyl)prop-2-en-1-yl]oxy}-3-oxopropyl (9z)-octadec-9-enoate

(2e)-2-ethylidene-3-{[(2e)-3-(4-methoxyphenyl)prop-2-en-1-yl]oxy}-3-oxopropyl (9z)-octadec-9-enoate

C33H50O5 (526.365805)


   

(2r)-2-[(1r,3s,3ar,5ar,7s,9as,11ar)-3-(acetyloxy)-7-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

(2r)-2-[(1r,3s,3ar,5ar,7s,9as,11ar)-3-(acetyloxy)-7-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

methyl (4as,6as,6br,8ar,10s,12ar,12br)-10-(acetyloxy)-2,2,6a,6b,9,9,12a-heptamethyl-1-oxo-4,5,6,7,8,8a,10,11,12,12b,13,14-dodecahydro-3h-picene-4a-carboxylate

methyl (4as,6as,6br,8ar,10s,12ar,12br)-10-(acetyloxy)-2,2,6a,6b,9,9,12a-heptamethyl-1-oxo-4,5,6,7,8,8a,10,11,12,12b,13,14-dodecahydro-3h-picene-4a-carboxylate

C33H50O5 (526.365805)


   

methyl (2r)-2-[(2s,4s,6s,7r,8s,9s,13r,18r)-6-hydroxy-2,9,13,17,17-pentamethyl-16-oxo-5-oxapentacyclo[10.8.0.0²,⁹.0⁴,⁸.0¹³,¹⁸]icos-1(20)-en-7-yl]-6-methylhept-5-enoate

methyl (2r)-2-[(2s,4s,6s,7r,8s,9s,13r,18r)-6-hydroxy-2,9,13,17,17-pentamethyl-16-oxo-5-oxapentacyclo[10.8.0.0²,⁹.0⁴,⁸.0¹³,¹⁸]icos-1(20)-en-7-yl]-6-methylhept-5-enoate

C33H50O5 (526.365805)


   

2-[3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

2-[3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

(2r)-2-[(2r,3r,3ar,5s,9br)-5-ethoxy-2-hydroxy-3a,7,9b-trimethyl-6-(4-methyl-3-oxopentyl)-1h,2h,3h,4h,5h-cyclopenta[a]naphthalen-3-yl]-6-methyl-5-methylideneheptanoic acid

(2r)-2-[(2r,3r,3ar,5s,9br)-5-ethoxy-2-hydroxy-3a,7,9b-trimethyl-6-(4-methyl-3-oxopentyl)-1h,2h,3h,4h,5h-cyclopenta[a]naphthalen-3-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

(2r)-2-[(1r,2r,3ar,5ar,7s,9as,11ar)-7-(acetyloxy)-2-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

(2r)-2-[(1r,2r,3ar,5ar,7s,9as,11ar)-7-(acetyloxy)-2-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

(2r)-2-[(1r,3s,3ar,5as,9as,11ar)-3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

(2r)-2-[(1r,3s,3ar,5as,9as,11ar)-3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,4h,5h,5ah,8h,9h,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

2-[3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,5h,5ah,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

2-[3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,5h,5ah,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

(2r)-2-[(2r,3r,3ar,6s,7s,9br)-6-(3-ethoxy-3-oxopropyl)-2-hydroxy-3a,6,9b-trimethyl-7-(prop-1-en-2-yl)-1h,2h,3h,4h,7h,8h-cyclopenta[a]naphthalen-3-yl]-6-methyl-5-methylideneheptanoic acid

(2r)-2-[(2r,3r,3ar,6s,7s,9br)-6-(3-ethoxy-3-oxopropyl)-2-hydroxy-3a,6,9b-trimethyl-7-(prop-1-en-2-yl)-1h,2h,3h,4h,7h,8h-cyclopenta[a]naphthalen-3-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

(2r)-2-[(1r,3s,3ar,9ar)-3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,5h,5ah,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

(2r)-2-[(1r,3s,3ar,9ar)-3-(acetyloxy)-3a,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,3h,5h,5ah,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)


   

1',3,4,6',6',10',17',21'-octamethyl-5-oxo-14'-oxaspiro[oxolane-2,15'-pentacyclo[11.7.1.0²,¹¹.0⁵,¹⁰.0¹⁸,²¹]henicosan]-2'(11')-en-7'-yl acetate

1',3,4,6',6',10',17',21'-octamethyl-5-oxo-14'-oxaspiro[oxolane-2,15'-pentacyclo[11.7.1.0²,¹¹.0⁵,¹⁰.0¹⁸,²¹]henicosan]-2'(11')-en-7'-yl acetate

C33H50O5 (526.365805)


   

7-hydroxy-1-[1-(6-methoxy-5-methyl-3,6-dihydro-2h-pyran-2-yl)ethyl]-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-3-yl acetate

7-hydroxy-1-[1-(6-methoxy-5-methyl-3,6-dihydro-2h-pyran-2-yl)ethyl]-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-3-yl acetate

C33H50O5 (526.365805)


   

(2r)-2-[(1r,2r,3ar,5ar,7r,9as,11ar)-7-(acetyloxy)-2-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

(2r)-2-[(1r,2r,3ar,5ar,7r,9as,11ar)-7-(acetyloxy)-2-hydroxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,11h-cyclopenta[a]phenanthren-1-yl]-6-methyl-5-methylideneheptanoic acid

C33H50O5 (526.365805)