4H-1,4a-Propano-2H-phenanthro[1,2-c]pyran-7-carboxylic acid, 8-[(1R)-1,2-dimethylpropyl]-1,6,6a,7,8,9,10,10a,10b,11,12,12a-dodecahydro-15-hydroxy-14-methoxy-1,6a,8,10a-tetramethyl-, phenylmethyl ester, (1S,4aR,6aS,7R,8R,10aR,10bR,12aR,14R,15R)-