pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.5	AttenGpKa training set	0	-1	CCOC(=O)CC(O)(O)C(=O)O	CCOC(=O)CC(O)(O)C(=O)[O-]	mol22391	CCOC(=O)CC(O)(O)C(=O)O