COc1nc([C@@H](C)/C=C(C)/C=C/C=C(\C)[C@@H](O)[C@@H](C)/C=C(\C)[C@@H](O[C@@H]2OC(CO)[C@@H](O)C(O)C2O)[C@@H](C)C(=O)O)c(C)c(O)c1OC	13-hydroxyglucopiericidin A (13-OH-GPA)