(1R,4aS,4bR,6aS,10aS,10bR,12R,12aS)-12-hydroxy-4b,7,7,10a,12a-pentamethyl-1,4,4a,5,6,6a,8,9,10,10b,11,12-dodecahydrochrysene-1,2-dicarbaldehyde
(1r,4as,4br,6as,10as,10br,12r,12as)-12-hydroxy-4b,7,7,10a,12a-pentamethyl-1,4,4a,5,6,6a,8,9,10,10b,11,12-dodecahydrochrysene-1,2-dicarbaldehyde