CC1=[NH+]N(c2nc(C)cc([O-])n2)C(=O)C1 mol34952 0_1 CC1=NN(c2nc([O-])cc(C)[nH+]2)C(=O)C1 mol34952 0_2 CC1=NN(c2nc(C)cc(O)n2)C(=O)C1 mol34952 0_3 Cc1cc(O)nc(-n2nc(C)[cH-]c2=O)n1 mol34952 -1_1 CC1=NN(c2nc(C)cc([O-])n2)C(=O)C1 mol34952 -1_2