pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.6	IUPAC digitized pKa	1	0	OCC[NH+](CCO)CCc1ccccc1	OCCN(CCO)CCc1ccccc1	mol1494	OCCN(CCO)CCc1ccccc1