33952-78-2 (1S)-7α-Ethyl-1,2,3,4,4a,5,6,7,8,9,10,10aα-dodecahydro-1,4aβ,7-trimethyl-1β-phenanthrenecarboxylic acid methyl ester 33952-80-6 (1S)-1,2,3,4,4a,6,7,8,10,10aα-Decahydro-1,4aβ-dimethyl-7α-(1-methylethyl)-1β-phenanthrenecarboxylic acid methyl ester