0  B7R0.3  NCC(=O)OCCO HMDB0061148 [1,0,0,0,0,0|3,0,0]=4
1  B6R0.4  CCCOC(C)=O HMDB0034237 [2,0,0,0,0,0|1,0,0]=3
2  B6R0.4  OCCCC([O-])=O HMDB0015507 [2,0,0,0,0,0|2,0,0]=4