pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.49	IUPAC digitized pKa	0	-1	CC1(C)[C@H](CC(=O)O)C[C@H]1CC(=O)O	CC1(C)[C@H](CC(=O)[O-])C[C@H]1CC(=O)O	mol11255	CC1(C)C(CC(=O)O)CC1CC(=O)O
4.58	IUPAC digitized pKa	-1	-2	CC1(C)[C@H](CC(=O)[O-])C[C@H]1CC(=O)O	CC1(C)[C@H](CC(=O)[O-])C[C@H]1CC(=O)[O-]	mol11255	CC1(C)C(CC(=O)O)CC1CC(=O)O