pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.68	OCHEM	0	-1	CC[C@@H](O)C(=O)O	CC[C@@H](O)C(=O)[O-]	mol2233	CC[C@@H](O)C(=O)O