0  B9R0.24  COC(=O)CCC(=O)CN HMDB0015127 [0,0,0,0,0,1|3,0,0]=4
1  B6R0.2  OC(=O)CC(O)=O HMDB0000691 [2,0,0,0,0,0|1,0,0]=3
2  B6R0.4  CCCOC(C)=O HMDB0034237 [2,0,0,0,0,0|1,0,1]=4