Nc1ccc(N)c([O-])c1[NH3+] mol33741 0_1 Nc1ccc([NH3+])c(N)c1[O-] mol33741 0_2 Nc1ccc(N)c(O)c1N mol33741 0_3 Nc1ccc([NH3+])c([O-])c1N mol33741 0_4 Nc1ccc(N)c([O-])c1N mol33741 -1_1