Showing structure for (1s,3as,5r,5ar,9ar,9br,11as)-1-[(2s,4r)-4-[(2s)-3,3-dimethyloxiran-2-yl]-4-hydroxybutan-2-yl]-5-methoxy-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one