pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.0	QSARToolbox	0	-1	N=C(NCc1ccccc1)N[N+](=O)[O-]	[N-]=C(NCc1ccccc1)N[N+](=O)[O-],N=C([N-][N+](=O)[O-])NCc1ccccc1	mol28056	N=C(NCc1ccccc1)N[N+](=O)[O-]