0 B9R1.12 NCCCN1C=CC=N1 BBC/830 [0,1,0,0,0,0|2,0,1]=4 1 B6R1.2 NC1=NN=NN1 BBC/312 [2,0,0,0,0,0|2,0,0]=4 2 B8R1.2 NCC1=CN=CC=C1 BBB/544 [0,0,1,1,0,0|1,0,1]=4