Showing structure for 1-[5-(1,2-dihydroxy-2-methylpropyl)-2-methoxyoxolan-3-yl]-4-hydroxy-3b,6,6,9a,11a-pentamethyl-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-7-one