COc1[nH]c(C/C=C(\C)C/C=C/C=C/[C@@H](C)[C@@H](O[C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)/C(C)=C/CO)c(C)c(=O)c1OC	7-Demethyl-13-hydroxyglucopiericidin A