pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.9000001	OCHEM	1	0	O=NC(=[NH+]O)c1ccccc1	O=NC(=NO)c1ccccc1	mol32431	O=NC(=NO)c1ccccc1
4.90000009536743	QSARToolbox	1	0	O=NC(=[NH+]O)c1ccccc1	O=NC(=NO)c1ccccc1	mol32431	O=NC(=NO)c1ccccc1