pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.5	QSARToolbox	0	-1	N=C(Nc1ccccc1)N[N+](=O)[O-]	N=C([N-][N+](=O)[O-])Nc1ccccc1	mol28043	N=C(Nc1ccccc1)N[N+](=O)[O-]