0  B9R1.3  CC1=C([O-])C(=O)C=CO1 DB05420 [1,0,0,0,0,0|1,0,1]=3
1  B8R1.4  O=C1C=CNC(=O)N1 DB03419 [2,0,0,0,0,0|2,0,0]=4