pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.26	IUPAC digitized pKa	1	0	CCC(=O)O[C@H](C)C[NH+](C)C	CCC(=O)O[C@H](C)CN(C)C	mol5885	CCC(=O)OC(C)CN(C)C
8.2600002	OCHEM	1	0	CCC(=O)O[C@H](C)C[NH+](C)C	CCC(=O)O[C@H](C)CN(C)C	mol5885	CCC(=O)OC(C)CN(C)C