CN=c1ncn(C)c2nccnc12    mol4779    0_1
C[NH+]=c1ncn(C)c2nccnc12    mol4779    1_1
CN=c1[nH+]cn(C)c2nccnc12    mol4779    1_2
CN=c1ncn(C)c2[nH+]ccnc12    mol4779    1_3
CN=c1ncn(C)c2ncc[nH+]c12    mol4779    1_4