0 B31R4.4500611778 [C@@H]12C[C@H]3OC(=O)C[C@H]4C(C)=C(OC)C(=O)[C@H]([C@@]1(C)C(=O)C(OC)=C[C@H]2C)[C@@]34C HY-N1581 [0,1,0,0,0,0|0,0,2]=3