0  B4R0.1  CC(=O)CN 4088212 [0,1,0,0,0,0|1,0,1]=3
1  B4R0.1  CC(C)NN 4091043 [0,1,0,0,0,0|2,0,1]=4
2  B5R0.1  NCCC(N)=O 4088784 [0,2,0,0,0,0|0,0,2]=4
3  B5R0.3  CC[C@H](O)CN 4038369 [0,2,0,0,0,0|1,0,1]=4