pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.05	IUPAC digitized pKa	0	-1	O=C1C=NN(c2ccccc2)C1	O=c1cnn(-c2ccccc2)[cH-]1	mol10963	O=C1C=NN(c2ccccc2)C1