Showing structure for (2r)-2-[(2ar,2br,4s,4as,6r,8bs,10s,10ar)-10-(acetyloxy)-2a,4-dihydroxy-6,8b-dimethyl-1h,2h,2bh,3h,4h,4ah,5h,7h,9h,10h,10ah-cyclobuta[a]phenanthren-6-yl]-2-bromoethyl acetate