pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.682	IUPAC digitized pKa	1	0	CCCC[C@H]([NH3+])C(=O)OC	CCCC[C@H](N)C(=O)OC	mol8562	CCCC[C@H](N)C(=O)OC