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异戊烯醇脂质

中文名称 英文名称 CAS号 化学式 结构式图片
—— 1-[(1S,6S)-1,6-dimethyl-4-(4-methylpent-3-enyl)cyclohex-3-en-1-yl]ethanone —— C16H26O
1-[(1S,6S)-1,6-dimethyl-4-(4-methylpent-3-enyl)cyclohex-3-en-1-yl]ethanone
—— (3S,3aR,8aR,9aR)-3-(1,4-dioxa-8-azoniaspiro[4.5]decan-8-ylmethyl)-5,8a-dimethyl-3,3a,7,8,9,9a-hexahydrobenzo[f][1]benzofuran-2-one —— C22H32NO4+
(3S,3aR,8aR,9aR)-3-(1,4-dioxa-8-azoniaspiro[4.5]decan-8-ylmethyl)-5,8a-dimethyl-3,3a,7,8,9,9a-hexahydrobenzo[f][1]benzofuran-2-one
—— (1R,3S,4R,5S,8R,10R,14S)-5-[[2-(5-methoxy-1H-indol-3-yl)ethylamino]methyl]-10,14-dimethyl-2,7-dioxatetracyclo[8.4.0.01,3.04,8]tetradecan-6-one —— C26H34N2O4
(1R,3S,4R,5S,8R,10R,14S)-5-[[2-(5-methoxy-1H-indol-3-yl)ethylamino]methyl]-10,14-dimethyl-2,7-dioxatetracyclo[8.4.0.01,3.04,8]tetradecan-6-one
—— (4S)-7-methyl-4-(4-propan-2-ylphenyl)-4,6-dihydro-3H-pyrano[3,2-c]pyridine-2,5-dione —— C18H19NO3
(4S)-7-methyl-4-(4-propan-2-ylphenyl)-4,6-dihydro-3H-pyrano[3,2-c]pyridine-2,5-dione
—— (1S,4R)-N-cyclohexyl-4,7,7-trimethyl-2,3-dioxobicyclo[2.2.1]heptane-1-carboxamide —— C17H25NO3
(1S,4R)-N-cyclohexyl-4,7,7-trimethyl-2,3-dioxobicyclo[2.2.1]heptane-1-carboxamide
—— 4-[(1S)-1-[3-hydroxy-4-oxo-6-(phenylsulfanylmethyl)pyran-2-yl]-3-methoxy-3-oxopropyl]benzoic acid —— C23H20O7S
4-[(1S)-1-[3-hydroxy-4-oxo-6-(phenylsulfanylmethyl)pyran-2-yl]-3-methoxy-3-oxopropyl]benzoic acid
—— 4-[(1R)-1-[3-hydroxy-4-oxo-6-(phenylsulfanylmethyl)pyran-2-yl]-3-methoxy-3-oxopropyl]benzoic acid —— C23H20O7S
4-[(1R)-1-[3-hydroxy-4-oxo-6-(phenylsulfanylmethyl)pyran-2-yl]-3-methoxy-3-oxopropyl]benzoic acid
—— (3R,3aR,4aS,8aR,9aR)-8a-methyl-5-methylidene-3-[[(1R,5S)-1,3,3-trimethyl-6-azabicyclo[3.2.1]octan-6-yl]methyl]-3a,4,4a,6,7,8,9,9a-octahydro-3H-benzo[f][1]benzofuran-2-one —— C25H39NO2
(3R,3aR,4aS,8aR,9aR)-8a-methyl-5-methylidene-3-[[(1R,5S)-1,3,3-trimethyl-6-azabicyclo[3.2.1]octan-6-yl]methyl]-3a,4,4a,6,7,8,9,9a-octahydro-3H-benzo[f][1]benzofuran-2-one
—— (3R,3aR,5S,8aR,9aR)-5,8a-dimethyl-3-[[(1S,5R)-1,3,3-trimethyl-6-azabicyclo[3.2.1]octan-6-yl]methyl]-3,3a,5,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-2-one —— C25H39NO2
(3R,3aR,5S,8aR,9aR)-5,8a-dimethyl-3-[[(1S,5R)-1,3,3-trimethyl-6-azabicyclo[3.2.1]octan-6-yl]methyl]-3,3a,5,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-2-one
—— (5S,7S,9R,11Z,14S)-5,7,9,11-tetramethyl-14-[(2R,3S,4R,5S,6S,7S)-3,5,7-trihydroxy-4,6-dimethylnonan-2-yl]-1-oxacyclotetradec-11-ene-2,4-dione —— C28H50O6
(5S,7S,9R,11Z,14S)-5,7,9,11-tetramethyl-14-[(2R,3S,4R,5S,6S,7S)-3,5,7-trihydroxy-4,6-dimethylnonan-2-yl]-1-oxacyclotetradec-11-ene-2,4-dione
—— [(3S,3aR,8aR,9aR)-5,8a-dimethyl-2-oxo-3,3a,4,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-3-yl]methyl-[2-(5-methoxy-1H-indol-3-yl)ethyl]azanium —— C26H35N2O3+
[(3S,3aR,8aR,9aR)-5,8a-dimethyl-2-oxo-3,3a,4,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-3-yl]methyl-[2-(5-methoxy-1H-indol-3-yl)ethyl]azanium
—— (4R)-7-methyl-4-(4-propan-2-ylphenyl)-4,6-dihydro-3H-pyrano[3,2-c]pyridine-2,5-dione —— C18H19NO3
(4R)-7-methyl-4-(4-propan-2-ylphenyl)-4,6-dihydro-3H-pyrano[3,2-c]pyridine-2,5-dione
—— (4aR,8aS,9aS)-9a-methoxy-3,8a-dimethyl-5-methylidene-4,4a,6,7,8,9-hexahydrobenzo[f][1]benzofuran-2-one —— C16H22O3
(4aR,8aS,9aS)-9a-methoxy-3,8a-dimethyl-5-methylidene-4,4a,6,7,8,9-hexahydrobenzo[f][1]benzofuran-2-one
—— (3S,3aR,8aR,9aR)-3-[[2-[(4R)-4-(4-methoxyphenyl)-2,2-dimethyloxan-4-yl]ethylamino]methyl]-5,8a-dimethyl-3,3a,4,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-2-one —— C31H45NO4
(3S,3aR,8aR,9aR)-3-[[2-[(4R)-4-(4-methoxyphenyl)-2,2-dimethyloxan-4-yl]ethylamino]methyl]-5,8a-dimethyl-3,3a,4,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-2-one
—— [(1S,2R,5R)-5-methyl-2-propan-2-ylcyclohexyl] 2-[(6-methyl-5-oxo-4H-1,2,4-triazin-3-yl)sulfanyl]acetate —— C16H25N3O3S
[(1S,2R,5R)-5-methyl-2-propan-2-ylcyclohexyl] 2-[(6-methyl-5-oxo-4H-1,2,4-triazin-3-yl)sulfanyl]acetate
—— (3R,3aR,4aR,8aR,9aR)-3-[[(3R)-4-(3-methoxyphenyl)-3-methylpiperazin-1-yl]methyl]-8a-methyl-5-methylidene-3a,4,4a,6,7,8,9,9a-octahydro-3H-benzo[f][1]benzofuran-2-one —— C27H38N2O3
(3R,3aR,4aR,8aR,9aR)-3-[[(3R)-4-(3-methoxyphenyl)-3-methylpiperazin-1-yl]methyl]-8a-methyl-5-methylidene-3a,4,4a,6,7,8,9,9a-octahydro-3H-benzo[f][1]benzofuran-2-one
—— (5S,7S,9R,11Z,14S)-5,7,9,11-tetramethyl-14-[(2R,3S,4R,5S,6R,7S)-3,5,7-trihydroxy-4,6-dimethylnonan-2-yl]-1-oxacyclotetradec-11-ene-2,4-dione —— C28H50O6
(5S,7S,9R,11Z,14S)-5,7,9,11-tetramethyl-14-[(2R,3S,4R,5S,6R,7S)-3,5,7-trihydroxy-4,6-dimethylnonan-2-yl]-1-oxacyclotetradec-11-ene-2,4-dione
—— (3R,3aS,5R)-3,8-dimethyl-5-propan-2-yl-1,2,3,3a,4,5,6,7-octahydroazulene —— C15H26
(3R,3aS,5R)-3,8-dimethyl-5-propan-2-yl-1,2,3,3a,4,5,6,7-octahydroazulene
—— ethyl 4-[(2S)-2-hydroxy-3-[[(1S,2S,4R)-1,3,3-trimethyl-2-bicyclo[2.2.1]heptanyl]oxy]propyl]piperazine-1-carboxylate —— C20H36N2O4
ethyl 4-[(2S)-2-hydroxy-3-[[(1S,2S,4R)-1,3,3-trimethyl-2-bicyclo[2.2.1]heptanyl]oxy]propyl]piperazine-1-carboxylate
—— 2-[(2'S,3S,4R,4aS,7R,8R,8aS)-3-benzoyloxy-2',4-bis(benzoyloxymethyl)-4,7,8a-trimethylspiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,5'-oxolane]-2'-yl]ethyl benzoate —— C48H52O9
2-[(2'S,3S,4R,4aS,7R,8R,8aS)-3-benzoyloxy-2',4-bis(benzoyloxymethyl)-4,7,8a-trimethylspiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,5'-oxolane]-2'-yl]ethyl benzoate
—— (3R,3aR,5S,8aR,9aR)-3-[[(3S)-4-(3-methoxyphenyl)-3-methylpiperazin-1-yl]methyl]-5,8a-dimethyl-3,3a,5,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-2-one —— C27H38N2O3
(3R,3aR,5S,8aR,9aR)-3-[[(3S)-4-(3-methoxyphenyl)-3-methylpiperazin-1-yl]methyl]-5,8a-dimethyl-3,3a,5,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-2-one
—— (5S,7S,9R,11Z,14S)-5,7,9,11-tetramethyl-14-[(2R,3S,4R,5S,6S,7R)-3,5,7-trihydroxy-4,6-dimethylnonan-2-yl]-1-oxacyclotetradec-11-ene-2,4-dione —— C28H50O6
(5S,7S,9R,11Z,14S)-5,7,9,11-tetramethyl-14-[(2R,3S,4R,5S,6S,7R)-3,5,7-trihydroxy-4,6-dimethylnonan-2-yl]-1-oxacyclotetradec-11-ene-2,4-dione
—— (3R,3aR,4aR,8aR,9aR)-3-[[(3S)-4-(3-methoxyphenyl)-3-methylpiperazin-1-yl]methyl]-8a-methyl-5-methylidene-3a,4,4a,6,7,8,9,9a-octahydro-3H-benzo[f][1]benzofuran-2-one —— C27H38N2O3
(3R,3aR,4aR,8aR,9aR)-3-[[(3S)-4-(3-methoxyphenyl)-3-methylpiperazin-1-yl]methyl]-8a-methyl-5-methylidene-3a,4,4a,6,7,8,9,9a-octahydro-3H-benzo[f][1]benzofuran-2-one
—— (5S,7S,9R,11Z,14S)-5,7,9,11-tetramethyl-14-[(2R,3S,4R,5S,6R,7R)-3,5,7-trihydroxy-4,6-dimethylnonan-2-yl]-1-oxacyclotetradec-11-ene-2,4-dione —— C28H50O6
(5S,7S,9R,11Z,14S)-5,7,9,11-tetramethyl-14-[(2R,3S,4R,5S,6R,7R)-3,5,7-trihydroxy-4,6-dimethylnonan-2-yl]-1-oxacyclotetradec-11-ene-2,4-dione
—— [(4aR,8R,8aR,9aS)-3,8a-dimethyl-5-methylidene-2-oxo-4a,6,7,8,9,9a-hexahydro-4H-benzo[f][1]benzofuran-8-yl] acetate —— C17H22O4
[(4aR,8R,8aR,9aS)-3,8a-dimethyl-5-methylidene-2-oxo-4a,6,7,8,9,9a-hexahydro-4H-benzo[f][1]benzofuran-8-yl] acetate
—— (4aR,8aR,9aS)-9a-methoxy-3,8a-dimethyl-5-methylidene-4,4a,6,7,8,9-hexahydrobenzo[f][1]benzofuran-2-one —— C16H22O3
(4aR,8aR,9aS)-9a-methoxy-3,8a-dimethyl-5-methylidene-4,4a,6,7,8,9-hexahydrobenzo[f][1]benzofuran-2-one
—— [(1R,3S,4S,7S)-3-bromo-1,7-dimethyl-2-oxo-7-bicyclo[2.2.1]heptanyl]methanesulfonate —— C10H14BrO4S-
[(1R,3S,4S,7S)-3-bromo-1,7-dimethyl-2-oxo-7-bicyclo[2.2.1]heptanyl]methanesulfonate
—— (1S,4R)-4,7,7-trimethyl-3-oxo-N-[(1S)-1-phenylethyl]bicyclo[2.2.1]heptane-1-carboxamide —— C19H25NO2
(1S,4R)-4,7,7-trimethyl-3-oxo-N-[(1S)-1-phenylethyl]bicyclo[2.2.1]heptane-1-carboxamide
—— (3S,3aS,5S)-3,8-dimethyl-5-propan-2-yl-1,2,3,3a,4,5,6,7-octahydroazulene —— C15H26
(3S,3aS,5S)-3,8-dimethyl-5-propan-2-yl-1,2,3,3a,4,5,6,7-octahydroazulene
—— [(1R,2R,5S)-5-methyl-2-propan-2-ylcyclohexyl] 2-[(3,5-dioxo-2H-1,2,4-triazin-6-yl)sulfanyl]acetate —— C15H23N3O4S
[(1R,2R,5S)-5-methyl-2-propan-2-ylcyclohexyl] 2-[(3,5-dioxo-2H-1,2,4-triazin-6-yl)sulfanyl]acetate
—— (1S,3Z,4R)-3-[(4-chlorobenzoyl)hydrazinylidene]-4,7,7-trimethyl-2-oxobicyclo[2.2.1]heptane-1-carboxylate —— C18H18ClN2O4-
(1S,3Z,4R)-3-[(4-chlorobenzoyl)hydrazinylidene]-4,7,7-trimethyl-2-oxobicyclo[2.2.1]heptane-1-carboxylate
—— 2-[(2'S,3S,4R,4aR,7R,8R,8aS)-3-benzoyloxy-2',4-bis(benzoyloxymethyl)-4,7,8a-trimethylspiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,5'-oxolane]-2'-yl]ethyl benzoate —— C48H52O9
2-[(2'S,3S,4R,4aR,7R,8R,8aS)-3-benzoyloxy-2',4-bis(benzoyloxymethyl)-4,7,8a-trimethylspiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,5'-oxolane]-2'-yl]ethyl benzoate
—— (1R,4R)-N-(2-bromo-5-nitrophenyl)-4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptane-1-carboxamide —— C17H19BrN2O4
(1R,4R)-N-(2-bromo-5-nitrophenyl)-4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptane-1-carboxamide
—— (3R,3aS,5R,8aS,9aS)-5,8a-dimethyl-3-[[4-[3-(trifluoromethyl)phenyl]piperazin-1-ium-1-yl]methyl]-3,3a,5,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-2-one —— C26H34F3N2O2+
(3R,3aS,5R,8aS,9aS)-5,8a-dimethyl-3-[[4-[3-(trifluoromethyl)phenyl]piperazin-1-ium-1-yl]methyl]-3,3a,5,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-2-one
—— (1R,4S,5S,8R,9S,12R,14R)-4-[[4-(2-methoxyphenyl)piperazin-1-yl]methyl]-8,12-dimethyl-2,13-dioxatetracyclo[7.5.0.01,5.012,14]tetradecan-3-one —— C26H36N2O4
(1R,4S,5S,8R,9S,12R,14R)-4-[[4-(2-methoxyphenyl)piperazin-1-yl]methyl]-8,12-dimethyl-2,13-dioxatetracyclo[7.5.0.01,5.012,14]tetradecan-3-one
—— (1R,2R,4S)-2-benzyl-N-(4-methyl-3-oxopyrazin-2-yl)bicyclo[2.2.1]heptane-2-carboxamide —— C20H23N3O2
(1R,2R,4S)-2-benzyl-N-(4-methyl-3-oxopyrazin-2-yl)bicyclo[2.2.1]heptane-2-carboxamide
—— (1R,4S,5S,8R,9S,12R,14R)-8,12-dimethyl-4-[[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]methyl]-2,13-dioxatetracyclo[7.5.0.01,5.012,14]tetradecan-3-one —— C28H38N2O3
(1R,4S,5S,8R,9S,12R,14R)-8,12-dimethyl-4-[[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]methyl]-2,13-dioxatetracyclo[7.5.0.01,5.012,14]tetradecan-3-one
—— (1aS,7S,7aR,7bR)-1,1,7,7a-tetramethyl-2,3,5,6,7,7b-hexahydro-1aH-cyclopropa[a]naphthalene —— C15H24
(1aS,7S,7aR,7bR)-1,1,7,7a-tetramethyl-2,3,5,6,7,7b-hexahydro-1aH-cyclopropa[a]naphthalene
—— [(2R,3S,4S,5S,6S)-2-[[(1aR,4R,4aS,7S,7aR,7bS)-1,1,4,7-tetramethyl-2,3,4a,5,6,7,7a,7b-octahydro-1aH-cyclopropa[e]azulen-4-yl]oxy]-4,5-dihydroxy-6-methyloxan-3-yl] (E)-3-methylpent-2-enoate —— C27H44O6
[(2R,3S,4S,5S,6S)-2-[[(1aR,4R,4aS,7S,7aR,7bS)-1,1,4,7-tetramethyl-2,3,4a,5,6,7,7a,7b-octahydro-1aH-cyclopropa[e]azulen-4-yl]oxy]-4,5-dihydroxy-6-methyloxan-3-yl] (E)-3-methylpent-2-enoate
—— [(2R,3R,4R,5S,6S)-2-[[(1aR,4R,4aS,7S,7aR,7bS)-1,1,4,7-tetramethyl-2,3,4a,5,6,7,7a,7b-octahydro-1aH-cyclopropa[e]azulen-4-yl]oxy]-4,5-dihydroxy-6-methyloxan-3-yl] (E)-3-methylpent-2-enoate —— C27H44O6
[(2R,3R,4R,5S,6S)-2-[[(1aR,4R,4aS,7S,7aR,7bS)-1,1,4,7-tetramethyl-2,3,4a,5,6,7,7a,7b-octahydro-1aH-cyclopropa[e]azulen-4-yl]oxy]-4,5-dihydroxy-6-methyloxan-3-yl] (E)-3-methylpent-2-enoate
—— 2-[[(1S,2R,4aS,8aR)-1,2,4a,5-tetramethyl-2,3,4,7,8,8a-hexahydronaphthalen-1-yl]methyl]cyclohexa-2,5-diene-1,4-dione —— C21H28O2
2-[[(1S,2R,4aS,8aR)-1,2,4a,5-tetramethyl-2,3,4,7,8,8a-hexahydronaphthalen-1-yl]methyl]cyclohexa-2,5-diene-1,4-dione
—— 2-[[(1S,2S,4aR,8aR)-1,2,4a,5-tetramethyl-2,3,4,7,8,8a-hexahydronaphthalen-1-yl]methyl]cyclohexa-2,5-diene-1,4-dione —— C21H28O2
2-[[(1S,2S,4aR,8aR)-1,2,4a,5-tetramethyl-2,3,4,7,8,8a-hexahydronaphthalen-1-yl]methyl]cyclohexa-2,5-diene-1,4-dione
—— methyl (1S,4aR,5S,8aS)-5-[2-(2-formylfuran-3-yl)ethyl]-1,4a-dimethyl-6-methylidene-3,4,5,7,8,8a-hexahydro-2H-naphthalene-1-carboxylate —— C22H30O4
methyl (1S,4aR,5S,8aS)-5-[2-(2-formylfuran-3-yl)ethyl]-1,4a-dimethyl-6-methylidene-3,4,5,7,8,8a-hexahydro-2H-naphthalene-1-carboxylate
—— methyl (1S,4aR,5S,8aS)-5-[2-[2-[[benzoyl(methyl)amino]methyl]furan-3-yl]ethyl]-1,4a-dimethyl-6-methylidene-3,4,5,7,8,8a-hexahydro-2H-naphthalene-1-carboxylate —— C30H39NO4
methyl (1S,4aR,5S,8aS)-5-[2-[2-[[benzoyl(methyl)amino]methyl]furan-3-yl]ethyl]-1,4a-dimethyl-6-methylidene-3,4,5,7,8,8a-hexahydro-2H-naphthalene-1-carboxylate
—— [(2R,3R,4S,5S,6S)-2-[[(1aR,4R,4aS,7S,7aR,7bS)-1,1,4,7-tetramethyl-2,3,4a,5,6,7,7a,7b-octahydro-1aH-cyclopropa[e]azulen-4-yl]oxy]-4,5-dihydroxy-6-methyloxan-3-yl] (E)-3-methylpent-2-enoate —— C27H44O6
[(2R,3R,4S,5S,6S)-2-[[(1aR,4R,4aS,7S,7aR,7bS)-1,1,4,7-tetramethyl-2,3,4a,5,6,7,7a,7b-octahydro-1aH-cyclopropa[e]azulen-4-yl]oxy]-4,5-dihydroxy-6-methyloxan-3-yl] (E)-3-methylpent-2-enoate
—— 2-[[(1S,2S,4aR,8aR)-1,2,4a-trimethyl-5-methylidene-3,4,6,7,8,8a-hexahydro-2H-naphthalen-1-yl]methyl]cyclohexa-2,5-diene-1,4-dione —— C21H28O2
2-[[(1S,2S,4aR,8aR)-1,2,4a-trimethyl-5-methylidene-3,4,6,7,8,8a-hexahydro-2H-naphthalen-1-yl]methyl]cyclohexa-2,5-diene-1,4-dione
—— (1R,4S,5S,8R,9S,12R,14R)-8,12-dimethyl-4-[[4-[3-(trifluoromethyl)phenyl]piperazin-1-yl]methyl]-2,13-dioxatetracyclo[7.5.0.01,5.012,14]tetradecan-3-one —— C26H33F3N2O3
(1R,4S,5S,8R,9S,12R,14R)-8,12-dimethyl-4-[[4-[3-(trifluoromethyl)phenyl]piperazin-1-yl]methyl]-2,13-dioxatetracyclo[7.5.0.01,5.012,14]tetradecan-3-one
—— (1aS,4aS,7S,7aR,7bR)-1,1,7-trimethyl-4-methylidene-2,3,4a,5,6,7,7a,7b-octahydro-1aH-cyclopropa[e]azulene —— C15H24
(1aS,4aS,7S,7aR,7bR)-1,1,7-trimethyl-4-methylidene-2,3,4a,5,6,7,7a,7b-octahydro-1aH-cyclopropa[e]azulene
—— methyl (1S,4R,8R,10R,11Z,14S)-11-ethylidene-12-oxo-7,9,13-trioxatetracyclo[6.5.1.01,10.04,14]tetradeca-2,5-diene-5-carboxylate —— C15H14O6
methyl (1S,4R,8R,10R,11Z,14S)-11-ethylidene-12-oxo-7,9,13-trioxatetracyclo[6.5.1.01,10.04,14]tetradeca-2,5-diene-5-carboxylate
—— 2-[[(1S,2S,4aS,8aR)-1,2,4a-trimethyl-5-methylidene-3,4,6,7,8,8a-hexahydro-2H-naphthalen-1-yl]methyl]cyclohexa-2,5-diene-1,4-dione —— C21H28O2
2-[[(1S,2S,4aS,8aR)-1,2,4a-trimethyl-5-methylidene-3,4,6,7,8,8a-hexahydro-2H-naphthalen-1-yl]methyl]cyclohexa-2,5-diene-1,4-dione