Nc1nc(N)c2c(n1)Nc1ccccc1S2 mol8416 0_1 Nc1nc([NH3+])c2c(n1)Nc1ccccc1S2 mol8416 1_1 Nc1nc(N)c2c([nH+]1)Nc1ccccc1S2 mol8416 1_2 Nc1nc([NH3+])nc2c1Sc1ccccc1N2 mol8416 1_3 Nc1nc2c(c(N)[nH+]1)Sc1ccccc1N2 mol8416 1_4 Nc1nc(N)c2c(n1)[NH2+]c1ccccc1S2 mol8416 1_5