0  B6R0.4  CCCCC(=N)N EB12094 [0,1,1,0,0,0|1,0,1]=4
1  B8R1.2  CCN1CCNCC1 EB29093 [0,2,0,0,0,0|0,0,0]=2
2  B8R1.5  CC1NCCNC1C EB60838 [0,2,0,0,0,0|0,0,0]=2