pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.34	IUPAC digitized pKa	0	-1	CCc1cc(O)cc(CC)c1N=O	CCc1cc([O-])cc(CC)c1N=O	mol11390	CCc1cc(O)cc(CC)c1N=O