pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.7	OCHEM	0	-1	C[C@H](O)CC(=O)O	C[C@H](O)CC(=O)[O-]	mol478	C[C@H](O)CC(=O)O