Showing structure for 1-[(3r,3ar,5as,5br,7as,9s,11as,11br,13bs)-5a,5b,8,8,11a,13b-hexamethyl-3-(prop-1-en-2-yl)-1h,2h,3h,3ah,4h,5h,6h,7h,7ah,9h,10h,11h,11bh,12h-cyclopenta[a]chrysen-9-yl]heptadecan-1-one