C[C@H]1CC[C@@H]2[C@@H](C[C@@H](C)C(=O)/C=C/[C@@]3(C)C[C@@](O)(C1)OO3)C2(C)C	(1R,3S,6R,8R,10R,12E,14R)-1-hydroxy-3,7,7,10,14-pentamethyl-15,16-dioxatricyclo[12.2.1.0^{6,8}]heptadec-12-en-11-one