0  B4R0.1  CC(=O)NO DB00551 [2,0,0,0,0,0|1,1,0]=4
1  B4R0.1  NCC(O)=O DB00145 [2,0,0,0,0,0|1,0,0]=3
2  B6R0.3  N[C@@H](CO)C(O)=O DB00133 [1,1,0,0,0,0|2,0,0]=4