pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.42	IUPAC digitized pKa	1	0	COc1ccc([NH3+])ccc1=O	COc1ccc(N)ccc1=O	mol6326	COc1ccc(N)ccc1=O