Showing structure for (1s,3as,5ar,7s,9ar,9br,11as)-1-[(1s)-1-[(3as,6as)-2,2,6,6-tetramethyl-dihydro-3ah-furo[3,4-d][1,3]dioxol-4-yl]ethyl]-3a,6,6,9a,11a-pentamethyl-1h,2h,3h,5h,5ah,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-ol