COC(=O)[C@@]1(C)[C@@H]2/C=C(\C)CC/C=C(\C)CC(=O)C[C@@H](C)CC[C@@H]21	methyl (1R,2E,6E,11S,14S,15R)-3,7,11,15-tetramethyl-9-oxobicyclo[12.1.0]pentadeca-2,6-diene-15-carboxylate