NNc1ccccc1[N+](=O)[O-] mol8874 0_1 N[NH2+]c1ccccc1[N+](=O)[O-] mol8874 1_1 [NH3+]Nc1ccccc1[N+](=O)[O-] mol8874 1_2 [NH3+][NH2+]c1ccccc1[N+](=O)[O-] mol8874 2_1