pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.64	AttenGpKa training set	0	-1	O=Nc1ccccc1C(=O)O	O=Nc1ccccc1C(=O)[O-]	mol22692	O=Nc1ccccc1C(=O)O