Chemical Formula: C23H32O8
Chemical Formula C23H32O8
Found 64 metabolite its formula value is C23H32O8
8beta-Acetoxy-3beta-angeloyloxy-5alpha-hydroperoxycostic acid methyl ester
8beta-Acetoxy-3beta-angeloyloxy-5alpha-hydroperoxycostic acid methyl ester
[5-ethenyl-3-hydroxy-4-(3-hydroxyprop-1-en-2-yl)-2-(3-methoxy-3-oxoprop-1-en-2-yl)-5-methylcyclohexyl] (Z)-4-acetyloxy-2-methylbut-2-enoate
[5-ethenyl-3-hydroxy-4-(3-hydroxyprop-1-en-2-yl)-2-(3-methoxy-3-oxoprop-1-en-2-yl)-5-methylcyclohexyl] (Z)-4-acetyloxy-2-methylbut-2-enoate
(11alpha,13S,16alpha)-13-acetoxy-11,16-dihydroxy-2-methoxypicras-2-ene-1,12-dione|picraqualide A
(11alpha,13S,16alpha)-13-acetoxy-11,16-dihydroxy-2-methoxypicras-2-ene-1,12-dione|picraqualide A
(12R,20S)-19-acetoxy-12,20;15,16-diepoxy-20-methoxy-neo-cleroda-3,13(16),14-trien-6beta,7alpha,18-triol
(12R,20S)-19-acetoxy-12,20;15,16-diepoxy-20-methoxy-neo-cleroda-3,13(16),14-trien-6beta,7alpha,18-triol
(2alpha,3beta,5beta,11alpha,14beta)-form-2,3,5,11,14-Pentahydroxy-12-oxocard-20(22)-enolide
(2alpha,3beta,5beta,11alpha,14beta)-form-2,3,5,11,14-Pentahydroxy-12-oxocard-20(22)-enolide
(20R)-1alpha-acetoxy-6beta,7beta,14beta-trihydroxy-20-methoxy-7alpha,20-epoxy-ent-kaur-16-en-15-one|isoadenolin H
(20R)-1alpha-acetoxy-6beta,7beta,14beta-trihydroxy-20-methoxy-7alpha,20-epoxy-ent-kaur-16-en-15-one|isoadenolin H
(3R,4R,6R,7S,8S,10R)-1-oxo-3-methoxy-8-angeloyloxy-10-acetoxygermacra-11(13)-en-12,6-olide|rufesolide C
(3R,4R,6R,7S,8S,10R)-1-oxo-3-methoxy-8-angeloyloxy-10-acetoxygermacra-11(13)-en-12,6-olide|rufesolide C
20(S*)-15alpha-acetoxy-6beta,11alpha-dihydroxy-20-methoxy-6,20alpha-epoxy-6,7-seco-1alpha,7-olide-ent-kaur-16-ene|isorosthin D
20(S*)-15alpha-acetoxy-6beta,11alpha-dihydroxy-20-methoxy-6,20alpha-epoxy-6,7-seco-1alpha,7-olide-ent-kaur-16-ene|isorosthin D
3-(3-hydroxy-3-methyl-1-butenyl)-5-(3-methyl-2-butenyl)-4-O-alpha-L-arabinose-methyl-17-benzoate|liparisglycoside B
3-(3-hydroxy-3-methyl-1-butenyl)-5-(3-methyl-2-butenyl)-4-O-alpha-L-arabinose-methyl-17-benzoate|liparisglycoside B
4-hydroxy-3,5-bis(3-methyl-2-butenyl)benzoic acid-O-beta-D-glucopyranoside
4-hydroxy-3,5-bis(3-methyl-2-butenyl)benzoic acid-O-beta-D-glucopyranoside
ent-6,7:8,15-diseco-6,8-cyclokauran-7,20-olide|hikiokoshin B
ent-6,7:8,15-diseco-6,8-cyclokauran-7,20-olide|hikiokoshin B
(1(10)E,4Z)-8beta-(angeloyloxy)-9alpha-ethoxy-6alpha,15-dihydroxy-13-methoxy-14-oxogermacra-1(10),4-dien-12-oic acid 12,6-lactone|(2Z)-2-methylbut-2-enoic acid (3S,3aS,4S,5S,6E,10Z,11aR)-5-ethoxy-6-formyl-2,3,3a,4,5,8,9,11a-octahydro-10-(hydroxymethyl)-3-(methoxyethyl)-2-oxocyclodeca[b]furan-4-yl ester
(1(10)E,4Z)-8beta-(angeloyloxy)-9alpha-ethoxy-6alpha,15-dihydroxy-13-methoxy-14-oxogermacra-1(10),4-dien-12-oic acid 12,6-lactone|(2Z)-2-methylbut-2-enoic acid (3S,3aS,4S,5S,6E,10Z,11aR)-5-ethoxy-6-formyl-2,3,3a,4,5,8,9,11a-octahydro-10-(hydroxymethyl)-3-(methoxyethyl)-2-oxocyclodeca[b]furan-4-yl ester
C23H32O8_Propanoic acid, 2-methyl-, [(4S)-4-(acetyloxy)-5-[4-(acetyloxy)-1-methylbutyl]-2,3,3a,4,7,7a-hexahydro-3-methylene-2-oxo-6-benzofuranyl]methyl ester
NCGC00385056-01_C23H32O8_Propanoic acid, 2-methyl-, [(4S)-4-(acetyloxy)-5-[4-(acetyloxy)-1-methylbutyl]-2,3,3a,4,7,7a-hexahydro-3-methylene-2-oxo-6-benzofuranyl]methyl ester
(1s,4r,8r,9r,11s,12r,13s,14s,16r,18r)-9,14-dihydroxy-11-methoxy-7,7-dimethyl-17-methylidene-2-oxo-3,10-dioxapentacyclo[14.2.1.0¹,¹³.0⁴,¹².0⁸,¹²]nonadecan-18-yl acetate
(1s,4r,8r,9r,11s,12r,13s,14s,16r,18r)-9,14-dihydroxy-11-methoxy-7,7-dimethyl-17-methylidene-2-oxo-3,10-dioxapentacyclo[14.2.1.0¹,¹³.0⁴,¹².0⁸,¹²]nonadecan-18-yl acetate
(3as,4s,6r,9r,10r,11ar)-6-(acetyloxy)-9-methoxy-6,10-dimethyl-3-methylidene-2,7-dioxo-octahydrocyclodeca[b]furan-4-yl (2z)-2-methylbut-2-enoate
(3as,4s,6r,9r,10r,11ar)-6-(acetyloxy)-9-methoxy-6,10-dimethyl-3-methylidene-2,7-dioxo-octahydrocyclodeca[b]furan-4-yl (2z)-2-methylbut-2-enoate
(1's,2r,2's,5'r,5''r,5'''s,6's,7's)-5'''-methoxy-7'-methyl-8'-oxotrispiro[oxirane-2,3'-[9]oxatricyclo[5.3.3.0¹,⁶]tridecane-2',2'':5'',3'''-bis(oxolane)]-5'-yl acetate
(1's,2r,2's,5'r,5''r,5'''s,6's,7's)-5'''-methoxy-7'-methyl-8'-oxotrispiro[oxirane-2,3'-[9]oxatricyclo[5.3.3.0¹,⁶]tridecane-2',2'':5'',3'''-bis(oxolane)]-5'-yl acetate
8-hydroxy-3,8-dimethyl-12-methylidene-9-(2-methylpropoxy)-7,13-dioxo-5,14-dioxatricyclo[9.3.0.0⁴,⁶]tetradecan-10-yl but-2-enoate
8-hydroxy-3,8-dimethyl-12-methylidene-9-(2-methylpropoxy)-7,13-dioxo-5,14-dioxatricyclo[9.3.0.0⁴,⁶]tetradecan-10-yl but-2-enoate
15α-methoxyfaciculatin b
NA
{"Ingredient_id": "HBIN001621","Ingredient_name": "15\u03b1-methoxyfaciculatin b","Alias": "NA","Ingredient_formula": "C23H32O8","Ingredient_Smile": "CC(=O)OC1CC2(CO2)C3(CCC4(O3)CC(OC4)OC)C56C1C(CCC5)(C(=O)OC6)C","Ingredient_weight": "NA","OB_score": "NA","CAS_id": "NA","SymMap_id": "NA","TCMID_id": "13920","TCMSP_id": "NA","TCM_ID_id": "NA","PubChem_id": "NA","DrugBank_id": "NA"}
(1s,2s,3s,5s,8r,9s,10s,11r,16s,18s)-9,10,18-trihydroxy-16-methoxy-12,12-dimethyl-6-methylidene-7-oxo-17-oxapentacyclo[7.6.2.1⁵,⁸.0¹,¹¹.0²,⁸]octadecan-3-yl acetate
(1s,2s,3s,5s,8r,9s,10s,11r,16s,18s)-9,10,18-trihydroxy-16-methoxy-12,12-dimethyl-6-methylidene-7-oxo-17-oxapentacyclo[7.6.2.1⁵,⁸.0¹,¹¹.0²,⁸]octadecan-3-yl acetate
(3as,4s,5s,11ar)-6-(hydroxymethyl)-10-methyl-3-methylidene-4-[(2-methylpropanoyl)oxy]-2-oxo-3ah,4h,5h,8h,9h,11ah-cyclodeca[b]furan-5-yl 2-hydroxy-2-methylpropanoate
(3as,4s,5s,11ar)-6-(hydroxymethyl)-10-methyl-3-methylidene-4-[(2-methylpropanoyl)oxy]-2-oxo-3ah,4h,5h,8h,9h,11ah-cyclodeca[b]furan-5-yl 2-hydroxy-2-methylpropanoate
(2s)-1-[2,4-dihydroxy-5-(2-methylpropanoyl)phenyl]-2-[(2s,3s,4r,6r,8r)-2-ethyl-4,8-dihydroxy-1,5-dioxaspiro[2.5]octan-6-yl]pentan-1-one
(2s)-1-[2,4-dihydroxy-5-(2-methylpropanoyl)phenyl]-2-[(2s,3s,4r,6r,8r)-2-ethyl-4,8-dihydroxy-1,5-dioxaspiro[2.5]octan-6-yl]pentan-1-one
[(3as,4s,7ar)-4-(acetyloxy)-5-[(2s)-5-(acetyloxy)pentan-2-yl]-3-methylidene-2-oxo-3a,4,7,7a-tetrahydro-1-benzofuran-6-yl]methyl 2-methylpropanoate
[(3as,4s,7ar)-4-(acetyloxy)-5-[(2s)-5-(acetyloxy)pentan-2-yl]-3-methylidene-2-oxo-3a,4,7,7a-tetrahydro-1-benzofuran-6-yl]methyl 2-methylpropanoate
4-(3-hydroxy-2-{[1-(4-hydroxy-3-methoxyphenyl)-1-methoxybutan-2-yl]oxy}propyl)-2,6-dimethoxyphenol
4-(3-hydroxy-2-{[1-(4-hydroxy-3-methoxyphenyl)-1-methoxybutan-2-yl]oxy}propyl)-2,6-dimethoxyphenol
(1r,2z,8s,10s,11s)-6-[(acetyloxy)methyl]-10-hydroxy-1,10-dimethyl-5-oxo-4,14-dioxatricyclo[9.2.1.0³,⁷]tetradeca-2,6-dien-8-yl hexanoate
(1r,2z,8s,10s,11s)-6-[(acetyloxy)methyl]-10-hydroxy-1,10-dimethyl-5-oxo-4,14-dioxatricyclo[9.2.1.0³,⁷]tetradeca-2,6-dien-8-yl hexanoate
3,6-bis(acetyloxy)-3,6,9-trimethyl-2-oxo-3ah,4h,5h,6ah,7h,9ah,9bh-azuleno[4,5-b]furan-4-yl 2-methylpropanoate
3,6-bis(acetyloxy)-3,6,9-trimethyl-2-oxo-3ah,4h,5h,6ah,7h,9ah,9bh-azuleno[4,5-b]furan-4-yl 2-methylpropanoate
1-[2,4-dihydroxy-5-(2-methylpropanoyl)phenyl]-2-{2-ethyl-4,8-dihydroxy-1,5-dioxaspiro[2.5]octan-6-yl}pentan-1-one
1-[2,4-dihydroxy-5-(2-methylpropanoyl)phenyl]-2-{2-ethyl-4,8-dihydroxy-1,5-dioxaspiro[2.5]octan-6-yl}pentan-1-one
6-(hydroxymethyl)-10-methyl-3-methylidene-4-[(2-methylpropanoyl)oxy]-2-oxo-3ah,4h,5h,8h,9h,11ah-cyclodeca[b]furan-5-yl 2-hydroxy-2-methylpropanoate
6-(hydroxymethyl)-10-methyl-3-methylidene-4-[(2-methylpropanoyl)oxy]-2-oxo-3ah,4h,5h,8h,9h,11ah-cyclodeca[b]furan-5-yl 2-hydroxy-2-methylpropanoate
[4-(acetyloxy)-5-[5-(acetyloxy)pentan-2-yl]-3-methylidene-2-oxo-3a,4,7,7a-tetrahydro-1-benzofuran-6-yl]methyl 2-methylpropanoate
[4-(acetyloxy)-5-[5-(acetyloxy)pentan-2-yl]-3-methylidene-2-oxo-3a,4,7,7a-tetrahydro-1-benzofuran-6-yl]methyl 2-methylpropanoate
(1s,2s,6s,7s,9r,13r,14s,15r,16s,17r)-14,16-dihydroxy-4-methoxy-2,6,14,17-tetramethyl-3,11-dioxo-10-oxatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadec-4-en-15-yl acetate
(1s,2s,6s,7s,9r,13r,14s,15r,16s,17r)-14,16-dihydroxy-4-methoxy-2,6,14,17-tetramethyl-3,11-dioxo-10-oxatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadec-4-en-15-yl acetate
5'-(furan-3-yl)-3,4-dihydroxy-5-(hydroxymethyl)-2'-methoxy-2-methyl-2,3,4,7,8,8a-hexahydrospiro[naphthalene-1,3'-oxolan]-4a-ylmethyl acetate
5'-(furan-3-yl)-3,4-dihydroxy-5-(hydroxymethyl)-2'-methoxy-2-methyl-2,3,4,7,8,8a-hexahydrospiro[naphthalene-1,3'-oxolan]-4a-ylmethyl acetate
11,16-dihydroxy-4-methoxy-2,6,14,17-tetramethyl-3,15-dioxo-10-oxatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadec-4-en-14-yl acetate
11,16-dihydroxy-4-methoxy-2,6,14,17-tetramethyl-3,15-dioxo-10-oxatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadec-4-en-14-yl acetate
6-(acetyloxy)-8a-hydroperoxy-7-(3-methoxy-3-oxoprop-1-en-2-yl)-4a-methyl-1-methylidene-hexahydro-2h-naphthalen-2-yl 2-methylbut-2-enoate
6-(acetyloxy)-8a-hydroperoxy-7-(3-methoxy-3-oxoprop-1-en-2-yl)-4a-methyl-1-methylidene-hexahydro-2h-naphthalen-2-yl 2-methylbut-2-enoate
(1s,2s,3s,5s,8r,9r,10s,11r,16s,18r)-9,10,18-trihydroxy-16-methoxy-12,12-dimethyl-6-methylidene-7-oxo-17-oxapentacyclo[7.6.2.1⁵,⁸.0¹,¹¹.0²,⁸]octadecan-3-yl acetate
(1s,2s,3s,5s,8r,9r,10s,11r,16s,18r)-9,10,18-trihydroxy-16-methoxy-12,12-dimethyl-6-methylidene-7-oxo-17-oxapentacyclo[7.6.2.1⁵,⁸.0¹,¹¹.0²,⁸]octadecan-3-yl acetate
14,16-dihydroxy-4-methoxy-2,6,14,17-tetramethyl-3,11-dioxo-10-oxatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadec-4-en-15-yl acetate
14,16-dihydroxy-4-methoxy-2,6,14,17-tetramethyl-3,11-dioxo-10-oxatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadec-4-en-15-yl acetate
(1s,2s,2's,3s,4s,4ar,5'r,8as)-5'-(furan-3-yl)-3,4-dihydroxy-5-(hydroxymethyl)-2'-methoxy-2-methyl-2,3,4,7,8,8a-hexahydrospiro[naphthalene-1,3'-oxolan]-4a-ylmethyl acetate
(1s,2s,2's,3s,4s,4ar,5'r,8as)-5'-(furan-3-yl)-3,4-dihydroxy-5-(hydroxymethyl)-2'-methoxy-2-methyl-2,3,4,7,8,8a-hexahydrospiro[naphthalene-1,3'-oxolan]-4a-ylmethyl acetate
6-[(acetyloxy)methyl]-10-hydroxy-1,10-dimethyl-5-oxo-4,14-dioxatricyclo[9.2.1.0³,⁷]tetradeca-2,6-dien-8-yl hexanoate
6-[(acetyloxy)methyl]-10-hydroxy-1,10-dimethyl-5-oxo-4,14-dioxatricyclo[9.2.1.0³,⁷]tetradeca-2,6-dien-8-yl hexanoate
1-[2,4-dihydroxy-5-(2-methylpropanoyl)phenyl]-2-[(2s,4r,8r)-2-ethyl-4,8-dihydroxy-1,5-dioxaspiro[2.5]octan-6-yl]pentan-1-one
1-[2,4-dihydroxy-5-(2-methylpropanoyl)phenyl]-2-[(2s,4r,8r)-2-ethyl-4,8-dihydroxy-1,5-dioxaspiro[2.5]octan-6-yl]pentan-1-one
(3as,4s,6r,9r,10r,11ar)-6-(acetyloxy)-9-methoxy-6,10-dimethyl-3-methylidene-2,7-dioxo-octahydrocyclodeca[b]furan-4-yl 2-methylbut-2-enoate
(3as,4s,6r,9r,10r,11ar)-6-(acetyloxy)-9-methoxy-6,10-dimethyl-3-methylidene-2,7-dioxo-octahydrocyclodeca[b]furan-4-yl 2-methylbut-2-enoate
1-[2,4-dihydroxy-5-(2-methylpropanoyl)phenyl]-2-[(2s,3s,4r,6r,8r)-2-ethyl-4,8-dihydroxy-1,5-dioxaspiro[2.5]octan-6-yl]-3-methylbutan-1-one
1-[2,4-dihydroxy-5-(2-methylpropanoyl)phenyl]-2-[(2s,3s,4r,6r,8r)-2-ethyl-4,8-dihydroxy-1,5-dioxaspiro[2.5]octan-6-yl]-3-methylbutan-1-one
(1s,2s,6s,7s,9r,11r,13r,14s,16s,17r)-11,16-dihydroxy-4-methoxy-2,6,14,17-tetramethyl-3,15-dioxo-10-oxatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadec-4-en-14-yl acetate
(1s,2s,6s,7s,9r,11r,13r,14s,16s,17r)-11,16-dihydroxy-4-methoxy-2,6,14,17-tetramethyl-3,15-dioxo-10-oxatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadec-4-en-14-yl acetate
4-(2-{[1-hydroxy-3-(4-hydroxy-3-methoxyphenyl)propan-2-yl]oxy}-1-methoxybutyl)-2,6-dimethoxyphenol
4-(2-{[1-hydroxy-3-(4-hydroxy-3-methoxyphenyl)propan-2-yl]oxy}-1-methoxybutyl)-2,6-dimethoxyphenol
(1''s,3r,4''s,5r,5's,6''r,8''s,12''r)-5-methoxy-1'',6'',8''-trimethyl-2'',5''-dioxodispiro[bis(oxolane)-3,2':5',7''-[3]oxatricyclo[6.3.1.0⁴,¹²]dodecan]-6''-yl acetate
(1''s,3r,4''s,5r,5's,6''r,8''s,12''r)-5-methoxy-1'',6'',8''-trimethyl-2'',5''-dioxodispiro[bis(oxolane)-3,2':5',7''-[3]oxatricyclo[6.3.1.0⁴,¹²]dodecan]-6''-yl acetate
(3s,3ar,4s,6s,6as,9as,9bs)-3,6-bis(acetyloxy)-3,6,9-trimethyl-2-oxo-3ah,4h,5h,6ah,7h,9ah,9bh-azuleno[4,5-b]furan-4-yl 2-methylpropanoate
(3s,3ar,4s,6s,6as,9as,9bs)-3,6-bis(acetyloxy)-3,6,9-trimethyl-2-oxo-3ah,4h,5h,6ah,7h,9ah,9bh-azuleno[4,5-b]furan-4-yl 2-methylpropanoate
(3s,3ar,4s,6s,6ar,9bs)-3,6-bis(acetyloxy)-3,6,9-trimethyl-2-oxo-3ah,4h,5h,6ah,7h,9ah,9bh-azuleno[4,5-b]furan-4-yl 2-methylpropanoate
(3s,3ar,4s,6s,6ar,9bs)-3,6-bis(acetyloxy)-3,6,9-trimethyl-2-oxo-3ah,4h,5h,6ah,7h,9ah,9bh-azuleno[4,5-b]furan-4-yl 2-methylpropanoate
(1's,2r,2's,5'r,5''s,5'''r,6'r,7's)-5'''-methoxy-7'-methyl-8'-oxotrispiro[oxirane-2,3'-[9]oxatricyclo[5.3.3.0¹,⁶]tridecane-2',2'':5'',3'''-bis(oxolane)]-5'-yl acetate
(1's,2r,2's,5'r,5''s,5'''r,6'r,7's)-5'''-methoxy-7'-methyl-8'-oxotrispiro[oxirane-2,3'-[9]oxatricyclo[5.3.3.0¹,⁶]tridecane-2',2'':5'',3'''-bis(oxolane)]-5'-yl acetate
(1r,2s,5s,8r,9s,10s,11r,15s,16r,18r)-9,10,18-trihydroxy-16-methoxy-12,12-dimethyl-6-methylidene-7-oxo-17-oxapentacyclo[7.6.2.1⁵,⁸.0¹,¹¹.0²,⁸]octadecan-15-yl acetate
(1r,2s,5s,8r,9s,10s,11r,15s,16r,18r)-9,10,18-trihydroxy-16-methoxy-12,12-dimethyl-6-methylidene-7-oxo-17-oxapentacyclo[7.6.2.1⁵,⁸.0¹,¹¹.0²,⁸]octadecan-15-yl acetate
(1r,3r,4s,6s,8s,9r,10s,11s)-8-hydroxy-3,8-dimethyl-12-methylidene-9-(2-methylpropoxy)-7,13-dioxo-5,14-dioxatricyclo[9.3.0.0⁴,⁶]tetradecan-10-yl (2e)-but-2-enoate
(1r,3r,4s,6s,8s,9r,10s,11s)-8-hydroxy-3,8-dimethyl-12-methylidene-9-(2-methylpropoxy)-7,13-dioxo-5,14-dioxatricyclo[9.3.0.0⁴,⁶]tetradecan-10-yl (2e)-but-2-enoate
1-[2,4-dihydroxy-5-(2-methylpropanoyl)phenyl]-2-{2-ethyl-4,8-dihydroxy-1,5-dioxaspiro[2.5]octan-6-yl}-3-methylbutan-1-one
1-[2,4-dihydroxy-5-(2-methylpropanoyl)phenyl]-2-{2-ethyl-4,8-dihydroxy-1,5-dioxaspiro[2.5]octan-6-yl}-3-methylbutan-1-one
(2r,4ar,6r,7r,8as)-6-(acetyloxy)-8a-hydroperoxy-7-(3-methoxy-3-oxoprop-1-en-2-yl)-4a-methyl-1-methylidene-hexahydro-2h-naphthalen-2-yl (2z)-2-methylbut-2-enoate
(2r,4ar,6r,7r,8as)-6-(acetyloxy)-8a-hydroperoxy-7-(3-methoxy-3-oxoprop-1-en-2-yl)-4a-methyl-1-methylidene-hexahydro-2h-naphthalen-2-yl (2z)-2-methylbut-2-enoate
(2s,4ar,6r,7r,8as)-6-(acetyloxy)-8a-hydroperoxy-7-(3-methoxy-3-oxoprop-1-en-2-yl)-4a-methyl-1-methylidene-hexahydro-2h-naphthalen-2-yl (2z)-2-methylbut-2-enoate
(2s,4ar,6r,7r,8as)-6-(acetyloxy)-8a-hydroperoxy-7-(3-methoxy-3-oxoprop-1-en-2-yl)-4a-methyl-1-methylidene-hexahydro-2h-naphthalen-2-yl (2z)-2-methylbut-2-enoate