pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.97	IUPAC digitized pKa	0	-1	C1=Nc2[nH]nnc2CN1	C1=Nc2[n-]nnc2CN1	mol8347	C1=Nc2[nH]nnc2CN1
5.6	IUPAC digitized pKa	1	0	C1=Nc2[nH]n[nH+]c2CN1,C1=Nc2[nH][nH+]nc2CN1,C1=[NH+]c2[nH]nnc2CN1	C1=Nc2[nH]nnc2CN1	mol8347	C1=Nc2[nH]nnc2CN1