pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.9	Datawarrior	0	-1	O=C(O)C[C@@H]1NC(=O)c2ccccc2O1	O=C([O-])C[C@@H]1NC(=O)c2ccccc2O1	mol15750	O=C(O)CC1NC(=O)c2ccccc2O1
4.9000001	OCHEM	0	-1	O=C(O)C[C@@H]1NC(=O)c2ccccc2O1	O=C([O-])C[C@@H]1NC(=O)c2ccccc2O1	mol15750	O=C(O)CC1NC(=O)c2ccccc2O1