0  B7R0.9  C[N+](C)(C)CC(=O)O DB04455 [0,0,0,0,0,0|3,0,0]=3
1  B5R0.1  CCCC(=O)O DB03568 [2,0,0,0,0,0|1,0,0]=3
2  B5R0.1  CNCC(=O)O DB12519 [2,0,0,0,0,0|2,0,0]=4
3  B5R0.5  CC(O)C(=O)[O-] DB13231 [1,0,0,0,1,0|1,1,0]=4