C=C(CO[C@]12C=C3C=C[C@H](O)[C@H](C)[C@@]3(C)C[C@@]1(O)C(=C)CO2)[C@]1(O)C[C@@]2(C)C(=CC1=O)C=C[C@H](O)[C@@H]2C	dihydrobipolaroxin C