pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.768	IUPAC digitized pKa	0	-1	CC[C@@H](C)SCC(=O)O	CC[C@@H](C)SCC(=O)[O-]	mol9814	CCC(C)SCC(=O)O