pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.6	IUPAC digitized pKa	1	0	CC(=O)OCC[NH3+]	CC(=O)OCCN	mol861	CC(=O)OCCN
9.1	IUPAC digitized pKa	1	0	CC(=O)OCC[NH3+]	CC(=O)OCCN	mol861	CC(=O)OCCN
8.85	OCHEM	1	0	CC(=O)OCC[NH3+]	CC(=O)OCCN	mol861	CC(=O)OCCN