pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.53	IUPAC digitized pKa	0	-1	O=C([O-])C[NH+]1CCOCC1	O=C([O-])CN1CCOCC1	mol6737	O=C(O)CN1CCOCC1
1.91	IUPAC digitized pKa	1	0	O=C(O)C[NH+]1CCOCC1	O=C([O-])C[NH+]1CCOCC1	mol6737	O=C(O)CN1CCOCC1