pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.53	IUPAC digitized pKa	0	-1	CC[C@@]1(C(=O)O)C[C@@]1(CC)C(=O)O	CC[C@@]1(C(=O)[O-])C[C@@]1(CC)C(=O)O	mol10919	CC[C@@]1(C(=O)O)C[C@@]1(CC)C(=O)O
5.03	IUPAC digitized pKa	-1	-2	CC[C@@]1(C(=O)[O-])C[C@@]1(CC)C(=O)O	CC[C@@]1(C(=O)[O-])C[C@@]1(CC)C(=O)[O-]	mol10919	CC[C@@]1(C(=O)O)C[C@@]1(CC)C(=O)O