2232-16-8 10a,12a-dimethyl-2-oxo-1,2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12,12a-hexadecahydronaphtho[2,1-f]quinolin-8-yl acetate 182069-13-2 Ethyl (8s,9s,10r,11s,13s,14s,17r)-11,17-dihydroxy-10,13-dimethyl-3-oxo-7,8,9,11,12,14,15,16-octahydro-6h-cyclopenta[a]phenanthrene-17-carboxylate