C=C(C=O)[C@@H]1C[C@@]2(C)C(=CC1=O)[C@H](OC(=O)/C=C/C=C\CCC(C)CC)CC[C@@H]2C(=O)OC	methyl (1S,4R,7S,8aR)-8a-methyl-4-[(2E,4Z)-8-methyldeca-2,4-dienoyl]oxy-6-oxo-7-(3-oxoprop-1-en-2-yl)-1,2,3,4,7,8-hexahydronaphthalene-1-carboxylate