pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.08	IUPAC digitized pKa	1	0	CCOC(=O)C[NH2+]c1ccccc1	CCOC(=O)CNc1ccccc1	mol5455	CCOC(=O)CNc1ccccc1