0  B8R0.23  NC(=O)CC(N)C(=O)O SB01192 [0,1,0,0,0,0|1,0,0]=2
1  B8R1.3  CC1=NNC(=O)CC1 BTB06143 [0,0,0,1,0,0|3,0,0]=4
2  B8R1.3  O=C1COC(=O)CO1 SB01616 [0,0,0,1,0,0|2,0,0]=3
3  B7R0.5  C=CC[C@H](N)C(=O)O MAY00253 [1,1,0,0,0,0|1,0,0]=3