pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.11	IUPAC digitized pKa	0	-1	CN(O)N=Nc1ccccc1	CN([O-])N=Nc1ccccc1	mol10208	CN(O)N=Nc1ccccc1