pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.6	IUPAC digitized pKa	0	-1	CC(=O)CC[NH2+][C@@H](CC(=O)[O-])c1ccccc1	CC(=O)CCN[C@@H](CC(=O)[O-])c1ccccc1	mol8570	CC(=O)CCNC(CC(=O)O)c1ccccc1