CN=c1ncn(C)c2nc(C)c(C)nc12    mol4786    0_1
CN=c1ncn(C)c2nc(C)c(C)[nH+]c12    mol4786    1_1
CN=c1ncn(C)c2[nH+]c(C)c(C)nc12    mol4786    1_2
C[NH+]=c1ncn(C)c2nc(C)c(C)nc12    mol4786    1_3
CN=c1[nH+]cn(C)c2nc(C)c(C)nc12    mol4786    1_4