Cc1cnc2nc(N)nc(C)c2n1 mol4724 0_1 Cc1cnc2nc(N)nc(C)c2[nH+]1 mol4724 1_1 Cc1cnc2[nH+]c(N)nc(C)c2n1 mol4724 1_2 Cc1cnc2nc([NH3+])nc(C)c2n1 mol4724 1_3 Cc1c[nH+]c2nc(N)nc(C)c2n1 mol4724 1_4 Cc1cnc2nc(N)[nH+]c(C)c2n1 mol4724 1_5