pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.31	IUPAC digitized pKa	0	-1	CN(O)N=Nc1ccccc1Cl	CN([O-])N=Nc1ccccc1Cl	mol10340	CN(O)N=Nc1ccccc1Cl