Nc1ncnc(O)c1N mol4142 0_1 Nc1[nH+]cnc([O-])c1N mol4142 0_2 Nc1c([NH3+])ncnc1[O-] mol4142 0_3 Nc1ncnc([O-])c1[NH3+] mol4142 0_4 Nc1[nH+]cnc([O-])c1[NH3+] mol4142 1_1 Nc1[nH+]cnc(O)c1N mol4142 1_2 Nc1c([NH3+])ncnc1O mol4142 1_3 Nc1c([O-])nc[nH+]c1[NH3+] mol4142 1_4 Nc1ncnc(O)c1[NH3+] mol4142 1_5 [NH3+]c1ncnc([O-])c1[NH3+] mol4142 1_6 Nc1nc[nH+]c(O)c1N mol4142 1_7 Nc1[nH+]cnc(O)c1[NH3+] mol4142 2_1 Nc1c(O)nc[nH+]c1[NH3+] mol4142 2_2 Nc1c([NH3+])nc[nH+]c1O mol4142 2_3 [NH3+]c1ncnc(O)c1[NH3+] mol4142 2_4 Nc1[nH+]c[nH+]c(O)c1N mol4142 2_5 [NH3+]c1[nH+]cnc([O-])c1[NH3+] mol4142 2_6 Nc1nc[nH+]c(O)c1[NH3+] mol4142 2_7 Nc1ncnc([O-])c1N mol4142 -1_1