Nc1nc(N)c(Cc2ccccc2)c(N)n1 mol7524 0_1 Nc1nc([NH3+])nc(N)c1Cc1ccccc1 mol7524 1_1 Nc1nc(N)c(Cc2ccccc2)c(N)[nH+]1 mol7524 1_2 Nc1nc(N)c(Cc2ccccc2)c([NH3+])n1 mol7524 1_3