0  B6R1.2  C1CC(=NC1)N SN-3334 [0,1,0,1,0,0|2,0,0]=4
1  B6R1.2  C1CNCC1=O SN-3674 [0,1,0,1,0,0|1,0,0]=3
2  B6R1.6  C1CO[C@H]1CO SN-3632 [0,1,0,1,0,0|0,0,2]=4