pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.59	IUPAC digitized pKa	0	-1	Cc1nc(C(=O)O)co1	Cc1nc(C(=O)[O-])co1	mol2189	Cc1nc(C(=O)O)co1
-0.66	IUPAC digitized pKa	1	0	Cc1[nH+]c(C(=O)O)co1	Cc1nc(C(=O)O)co1	mol2189	Cc1nc(C(=O)O)co1