pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.71	OCHEM	0	-1	CCC[C@@H](CC)C(=O)O	CCC[C@@H](CC)C(=O)[O-]	mol31769	CCC[C@@H](CC)C(=O)O