pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.35	IUPAC digitized pKa	1	0	C=C(C)C(=O)OCC[NH+]1CCCCC1	C=C(C)C(=O)OCCN1CCCCC1	mol6329	C=C(C)C(=O)OCCN1CCCCC1