[NH3+]c1nnn(CC(=O)[O-])n1 mol25878 0_1 Nc1n[nH+]n(CC(=O)[O-])n1 mol25878 0_2 Nc1nn(CC(=O)[O-])n[nH+]1 mol25878 0_3 Nc1nnn(CC(=O)O)n1 mol25878 0_4 Nc1nnn(CC(=O)[O-])[nH+]1 mol25878 0_5 Nc1nnn(CC(=O)[O-])n1 mol25878 -1_1 Nc1nnn([CH-]C(=O)O)n1 mol25878 -1_2 [NH-]c1nnn(CC(=O)O)n1 mol25878 -1_3