Nc1c2ccccc2nc2cccc([N+](=O)[O-])c12 mol14855 0_1 [NH3+]c1c2ccccc2nc2cccc([N+](=O)[O-])c12 mol14855 1_1 Nc1c2ccccc2[nH+]c2cccc([N+](=O)[O-])c12 mol14855 1_2