pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.17	IUPAC digitized pKa	0	-1	Cc1nc(C(=O)O)c(C)o1	Cc1nc(C(=O)[O-])c(C)o1	mol2188	Cc1nc(C(=O)O)c(C)o1