0  B11R1.21  CN1CCN(CC1=O)C(=O)C CSC012128539 [0,0,0,0,0,0|3,0,1]=4
1  B11R1.226  CNC(=O)C1CN(C(=O)C1)C CSC011252088 [0,1,0,0,1,0|2,0,0]=4
2  B11R1.226  COC(=O)C1CN(C(=O)C1)C CSC000696109 [0,1,0,0,1,0|2,0,0]=4