pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.98	IUPAC digitized pKa	0	-1	O=c1ccccn1O	O=c1ccccn1[O-]	mol9356	O=c1ccccn1O
5.9	IUPAC digitized pKa	0	-1	O=c1ccccn1O	O=c1ccccn1[O-]	mol9356	O=c1ccccn1O
5.96999979019165	QSARToolbox	0	-1	O=c1ccccn1O	O=c1ccccn1[O-]	mol9356	O=c1ccccn1O