(1R)-1,2,3,4,4a,4bα,5,6,10,10aα-Decahydro-1β,4aβ-dimethyl-7-(1-methylethyl)-1-phenanthrenecarboxylic acid 2-ethylhexyl ester

2-ethylhexyl [1R-(1alpha,4abeta,4balpha,10a.alpha)]-1,2,3,4,4a,4b,5,6,10,10a-decahydro-7-isopropyl-1,4a-dimethylphenanthren-1-carboxylate