Nc1nc(N)nc(Nc2ccccc2)n1    mol4274    0_1
Nc1nc(N)nc([NH2+]c2ccccc2)n1    mol4274    1_1
Nc1nc([NH3+])nc(Nc2ccccc2)n1    mol4274    1_2
Nc1nc(Nc2ccccc2)nc(N)[nH+]1    mol4274    1_3
Nc1nc(N)[nH+]c(Nc2ccccc2)n1    mol4274    1_4