NC(=Nc1ccccc1)Nc1nc(N)nc(N)n1    mol4275    0_1
NC(=Nc1ccccc1)Nc1nc(N)nc([NH3+])n1    mol4275    1_1
NC(=Nc1ccccc1)Nc1nc(N)[nH+]c(N)n1    mol4275    1_2
NC(=Nc1ccccc1)Nc1nc(N)nc(N)[nH+]1    mol4275    1_3
NC(Nc1nc(N)nc(N)n1)=[NH+]c1ccccc1    mol4275    1_4