(4aR,6S,6aR,10aR,10bS)-7,7,10a-Trimethyl-6-phenylselanyl-2,3,6,6a,7,8,10a,10b-octahydro-1H,4aH-benzo[f]chromen-5-one

(4aS,5R,6aS,10aS,10bS)-Dodecahydro-4a,7,7,10a-tetramethyl-1H-naphtho<2,1-b>pyran-5-ol