COC(=O)CC1CC(=O)O[C@H]([C@@H]2C[C@@H](C)C[C@H](C)C2=O)C1	methyl 2-[(2S)-2-[(1S,3S,5S)-3,5-dimethyl-2-oxocyclohexyl]-6-oxooxan-4-yl]acetate