IUPAC:(4aR,5S,8aS)-5-{[(1S,2S,4'S,5'aS,9'aS)-4'-(acetyloxy)-3,6',6',9'a-tetramethyl-2'-oxo-4',5',5'a,6',7',8',9',9'a-octahydro-2'H-spiro[cyclohexane-1,3'-phenanthro[2,1-b]fura]-3-en-2-yl]methyl}-1,1-dimethyl-6-methylidene-decahydronaphthalene-4a-carboxylic acid
IUPAC:(4aR,5S,8aS)-5-{[(1S,2S,4'S,5'aS,9'aS)-4'-(acetyloxy)-3,6',6',9'a-tetramethyl-2'-oxo-4',5',5'a,6',7',8',9',9'a-octahydro-2'H-spiro[cyclohexane-1,3'-phenanthro[2,1-b]fura]-3-en-2-yl]methyl}-1,1-dimethyl-6-methylidene-decahydronaphthalene-4a-carboxylic acid