pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.75	Datawarrior	0	-1	NC(=O)c1ccccc1C(=O)O	NC(=O)c1ccccc1C(=O)[O-]	mol12695	NC(=O)c1ccccc1C(=O)O