pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.43	IUPAC digitized pKa	0	-1	O=c1cc(Cl)[nH]cn1	O=c1cc(Cl)[n-]cn1	mol9260	O=c1cc(Cl)[nH]cn1