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