C=C1C(=O)O[C@H]2C/C(C)=C/CC/C(C)=C/CC[C@@]3(CO)O[C@@H]3C[C@H]12	(1R,3R,5S,8E,12E,15S)-5-(hydroxymethyl)-9,13-dimethyl-18-methylidene-4,16-dioxatricyclo[13.3.0.03,5]octadeca-8,12-dien-17-one