3-(2-Aethoxycarbonyl-3,4-dihydrophenanthryl-(1))-propionsaeureaethylester

17-oxo-16-(3-oxo-butyl)-16,17-dihydro-15H-cyclopenta[a]phenanthrene-16-carboxylic acid methyl ester

indeno[2,1-a]phenanthren-11-one