Cc1cnc2c(C)nc(N)nc2n1    mol4725    0_1
Cc1c[nH+]c2c(C)nc(N)nc2n1    mol4725    1_1
Cc1cnc2c(C)[nH+]c(N)nc2n1    mol4725    1_2
Cc1cnc2c(C)nc([NH3+])nc2n1    mol4725    1_3
Cc1cnc2c(C)nc(N)nc2[nH+]1    mol4725    1_4
Cc1cnc2c(C)nc(N)[nH+]c2n1    mol4725    1_5