Showing structure for (1s,2r,3'r,4'bs,8'ar,9's,10's)-3'-(acetyloxy)-10'-hydroxy-2,4'b,8',8'-tetramethyl-1',4',7'-trioxo-3',5',6',8'a,9',10'-hexahydrospiro[cyclopropane-1,2'-phenanthren]-9'-yl acetate