methyl 2-((2S,3S,3aS,3bS,7aS,8R,8aR)-7a-methyl-1-oxo-2-((Z)-pent-2-en-1-yl)-8-phenyl-2,3,3a,4,5,6,7,7a,8,8a-decahydro-1H-3b,8-ethenocyclopenta[a]inden-3-yl)acetate

methyl 2-((1R,2S,3S,3aS,3bS,7aS,8R,8aR)-1-hydroxy-7a-methyl-2-((Z)-pent-2-en-1-yl)-8-phenyl-2,3,3a,4,5,6,7,7a,8,8a-decahydro-1H-3b,8-ethenocyclopenta[a]inden-3-yl)acetate

{(1R,2S)-3-氧代-2-[(2Z)-2-戊烯-1-基]环戊基}乙酸

(1R,2R)-2-(Methoxycarbonyl)-3-oxocyclopentanessigsaeure-methylester

(1R,2S)-2-(Methoxycarbonyl)-3-oxo-2-(2-pentinyl)cyclopentanessigsaeure-methylester