2-[3-Methoxycarbonyl-3-methyl-butyl]-7-[3-methoxycarbonyl-1-oxo-propyl]-9,10-dihydro-phenanthren

2-(3-Carboxy-3-methyl-butyl)-7-(3-carboxy-1-oxo-propyl)-9,10-dihydro-phenanthren

1,2,3,4,4a,5,6,14b-Octahydro-2,2,4a,9-tetramethyl-picen

2,2,9-Trimethyl-1,2,3,4,9,10,11,12-octahydropicen-1,12-dion

2-[3-Methoxycarbonyl-3-methyl-butyl]-7-[3-methoxycarbonyl-1-methyl-propyl]-9,10-dihydro-phenanthren