pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.51	IUPAC digitized pKa	1	0	CN(C)C=[NH+]c1nnn(C)c1C#N	CN(C)C=Nc1nnn(C)c1C#N	mol7650	CN(C)C=Nc1nnn(C)c1C#N