O=C([O-])Cn1c[nH+]nn1 mol13581 0_1 O=C([O-])Cn1cnn[nH+]1 mol13581 0_2 O=C(O)Cn1cnnn1 mol13581 0_3 O=C([O-])Cn1cn[nH+]n1 mol13581 0_4 O=C(O)Cn1cn[nH+]n1 mol13581 1_1 O=C([O-])Cn1cn[nH+][nH+]1 mol13581 1_2 O=C(O)Cn1cnn[nH+]1 mol13581 1_3 O=C([O-])Cn1c[nH+][nH+]n1 mol13581 1_4 O=C(O)Cn1c[nH+]nn1 mol13581 1_5 O=C([O-])Cn1c[nH+]n[nH+]1 mol13581 1_6 O=C(O)Cn1cn[nH+][nH+]1 mol13581 2_1 O=C(O)Cn1c[nH+]n[nH+]1 mol13581 2_2 O=C(O)Cn1c[nH+][nH+]n1 mol13581 2_3 O=C([O-])Cn1c[nH+][nH+][nH+]1 mol13581 2_4 O=C([O-])Cn1cnnn1 mol13581 -1_1