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