pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.37000000476837	QSARToolbox	1	0	O[n+]1c2ccccc2cc2ccccc21	[O-][n+]1c2ccccc2cc2ccccc21	mol33957	[O-][n+]1c2ccccc2cc2ccccc21