pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.53	IUPAC digitized pKa	0	-1	O=C1N=C(O)C(Cl)=CC1(Cl)Cl	O=C1N=C([O-])C(Cl)=CC1(Cl)Cl	mol9470	O=C1N=C(O)C(Cl)=CC1(Cl)Cl