0  B12R2.246  NC1=NC(O)=NC2=C1NC=N2 HMDB0000403 [0,0,0,0,0,0|3,0,1]=4
1  B12R2.246  O=C1NC(=O)C2=CNNC2=N1 HMDB0000786 [0,0,0,0,0,0|0,0,4]=4
2  B11R2.106  OC1=NC=NC2=C1NC=N2 HMDB0000157 [1,0,0,0,0,0|2,0,1]=4
3  B13R2.5397  OC1=NC(=N)N=C2NC(=O)N=C12 HMDB0041820 [0,1,0,0,0,0|3,0,0]=4