pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.26	IUPAC digitized pKa	1	0	CC1=[NH+]N[C@@H](c2ccccc2)C1,CC1=N[NH2+][C@@H](c2ccccc2)C1	CC1=NN[C@@H](c2ccccc2)C1	mol6868	CC1=NNC(c2ccccc2)C1