81910-41-0

(3S,5R,8S,9S,10S,13R,14S,17R)-1,3,4,8,10,11,13,14,15,16-Decahydro-17-[(1R,3E)-5-hydroxy-1,5-dimethyl-3-hexen-1-yl]-4,4,13,14-tetramethyl-5,9-(epoxymethano)-2H-cyclopenta[a]phenanthren-3-ol