1,4a-Dimethyltetradecahydro-7-(1-methylethyl)-1-phenanthrenecarboxylic acid methyl ester

2,3,4,4b,5,6,7,8,8a,9,10,10a-Dodecahydro-1,4a-dimethyl-7-(1-methylethyl)-1-phenanthrenecarboxylic acid methyl ester