0  B7R0.1  CCCCCON=O DB01612 [0,0,0,0,0,0|3,0,1]=4
1  B8R0.7  NCCCCCC(=O)O DB00513 [0,1,0,0,0,0|2,0,1]=4
2  B9R0.2  CCCCCCCC(=O)O DB04519 [0,2,0,0,0,0|1,0,0]=3
3  B9R0.45  NCCNCCNCCN DB06824 [0,2,0,0,0,0|2,0,0]=4