0  B6R0.3  CC[C@H](N)C(O)=O HMDB0000452 [2,0,0,0,0,0|1,0,1]=4
1  B8R1.7  OC(=O)[C@@H]1CCCN1 HMDB0000162 [1,0,0,1,0,0|1,0,1]=4