Nc1cnc(S)nc1N mol4146 0_1 Nc1nc([S-])ncc1[NH3+] mol4146 0_2 Nc1cnc([S-])nc1[NH3+] mol4146 0_3 Nc1cnc(S)[nH+]c1N mol4146 1_1 [NH3+]c1cnc([S-])nc1[NH3+] mol4146 1_2 Nc1nc(S)ncc1[NH3+] mol4146 1_3 Nc1cnc(S)nc1[NH3+] mol4146 1_4 Nc1c[nH+]c(S)nc1N mol4146 1_5 Nc1cnc([S-])nc1N mol4146 -1_1