CC1(C)CCC[C@]2(C)[C@H]3CC(=O)[C@]4(C)[C@@H](C=O)C(C=O)=CC[C@H]4[C@]3(C)CC[C@@H]12	(1S,4aS,4bR,6aS,10aS,10bR,12aS)-4b,7,7,10a,12a-pentamethyl-12-oxo-4,4a,5,6,6a,8,9,10,10b,11-decahydro-1H-chrysene-1,2-dicarbaldehyde