pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.88	Datawarrior	0	-1	O=c1ccc2ccccc2n1O	O=c1ccc2ccccc2n1[O-]	mol12817	O=c1ccc2ccccc2n1O
6.8800001	OCHEM	0	-1	O=c1ccc2ccccc2n1O	O=c1ccc2ccccc2n1[O-]	mol12817	O=c1ccc2ccccc2n1O
6.88000011444092	QSARToolbox	0	-1	O=c1ccc2ccccc2n1O	O=c1ccc2ccccc2n1[O-]	mol12817	O=c1ccc2ccccc2n1O