pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.4	IUPAC digitized pKa	0	-1	N#Cc1cc(Cl)ccc1O	N#Cc1cc(Cl)ccc1[O-]	mol10286	N#Cc1cc(Cl)ccc1O