pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.645	OCHEM	0	-1	CCO[C@@H]1C[C@@H]1C(=O)O	CCO[C@@H]1C[C@@H]1C(=O)[O-]	mol32407	CCOC1CC1C(=O)O