0  B12R2.202  Cc1c2c([nH]c(=O)[nH]2)ncn1 FS000307 [2,0,0,0,0,0|1,0,1]=4
1  B12R2.202  c1cnc2c(c1Cl)[nH]c(=O)[nH]2 FS009355 [2,0,0,0,0,0|2,0,0]=4
2  B12R2.606  c1c(cnc2c1[nH]c(=O)[nH]2)Br FS000286 [2,0,0,0,0,0|2,0,0]=4