pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.26	IUPAC digitized pKa	1	0	Cn1cc2ccccc2[nH+]c1=N,Cn1cc2ccccc2nc1=[NH2+]	Cn1cc2ccccc2nc1=N	mol7895	Cn1cc2ccccc2nc1=N