Showing structure for (5as,5br,7as,8s,11as,11br,13s,13as,13br)-8-ethyl-13-hydroxy-5b,8,11a,13a-tetramethyl-5h,5ah,6h,7h,7ah,9h,10h,11h,11bh,12h,13h,13bh-cyclopenta[a]chrysen-3-one