0 B12R2.246 Nc1nc(=O)c2nnnc2n1 134-58-7 [0,0,0,0,0,0|2,0,2]=4 1 B12R2.246 O=C1N=C2NNC=C2C(=O)N1 2465-59-0 [0,0,0,0,0,0|0,0,4]=4 2 B13R2.328 Oc1nc(O)c2nccnc2n1 487-21-8 [0,0,0,0,0,1|1,0,1]=3