pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.3	OCHEM	0	-1	CNC(=O)CNC(=O)c1nccc(O)c1O	CNC(=O)CNC(=O)c1nccc(O)c1[O-],CNC(=O)CNC(=O)c1nccc([O-])c1O	mol18096	CNC(=O)CNC(=O)c1nccc(O)c1O