pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.89	OCHEM	0	-1	CCC[C@H](O)C(=O)O	CCC[C@H](O)C(=O)[O-]	mol31768	CCC[C@H](O)C(=O)O
2.89	OCHEM	0	-1	CCC[C@H](O)C(=O)O	CCC[C@H](O)C(=O)[O-]	mol31768	CCC[C@H](O)C(=O)O