pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.5	OCHEM	0	-1	CCOC(=O)[C@@H]1CC(=O)N[C@H]1C(=O)O	CCOC(=O)[C@@H]1CC(=O)N[C@H]1C(=O)[O-]	mol32446	CCOC(=O)C1CC(=O)NC1C(=O)O