0  B7R0.1  CCCCCON=O DB01612 [0,1,0,0,0,0|1,1,0]=3
1  B7R0.7  CN(CCCl)CCCl DB00888 [0,1,0,0,0,0|3,0,0]=4
2  B8R0.7  NCCCCCC(=O)O DB00513 [0,2,0,0,0,0|0,1,1]=4
3  B6R1.1  C1CNCCN1 DB00592 [1,0,0,1,0,0|2,0,0]=4