CC1=C2CC/C(C(=O)O)=C\CC[C@]3(C)O[C@H]3CC/C(C)=C/[C@@H]2OC1	(1S,2E,6S,8S,11E)-3,8,16-trimethyl-7,18-dioxatricyclo[13.3.0.06,8]octadeca-2,11,15-triene-12-carboxylic acid