CC1(C)OC(=O)CC[C@@]2(C)C3C[C@@H]4CC[C@@]3(CC[C@H]12)C[C@]4(C)O	(1R,4S,10S,13S,14S)-14-hydroxy-5,5,10,14-tetramethyl-6-oxatetracyclo[11.2.2.01,11.04,10]heptadecan-7-one