pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.3	IUPAC digitized pKa	0	-1	CCOC(=O)CNc1cccc(C(=O)O)c1	CCOC(=O)CNc1cccc(C(=O)[O-])c1	mol11597	CCOC(=O)CNc1cccc(C(=O)O)c1
1.15	IUPAC digitized pKa	1	0	CCOC(=O)C[NH2+]c1cccc(C(=O)O)c1	CCOC(=O)CNc1cccc(C(=O)O)c1	mol11597	CCOC(=O)CNc1cccc(C(=O)O)c1