0  B6R0.3  CC[C@H](N)C(O)=O HMDB0000452 [2,0,0,0,0,0|1,0,0]=3
1  B6R0.3  N[C@@H](CS)C(O)=O HMDB0000574 [2,0,0,0,0,0|2,0,0]=4