0  B5R0.1  CCCC(=O)O DB03568 [2,0,0,0,0,0|1,0,0]=3
1  B5R0.1  CNCC(=O)O DB12519 [2,0,0,0,0,0|1,0,0]=3
2  B7R0.5  CCOC(=O)C(C)=O DB05869 [1,1,0,0,0,0|0,0,1]=3
3  B7R1.4  CN1CCCC1=O DB12521 [1,0,0,1,0,0|2,0,0]=4