pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.03	IUPAC digitized pKa	1	0	CCOC(=O)C[NH+]1CCOCC1	CCOC(=O)CN1CCOCC1	mol6738	CCOC(=O)CN1CCOCC1