pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.4	IUPAC digitized pKa	0	-1	NNc1nc(=O)cn[nH]1	NNc1nc(=O)cn[n-]1	mol7606	NNc1nc(=O)cn[nH]1
2.73	IUPAC digitized pKa	1	0	NNc1nc(=O)c[nH+][nH]1,N[NH2+]c1nc(=O)cn[nH]1,[NH3+]Nc1nc(=O)cn[nH]1,NNc1[nH]ncc(=O)[nH+]1	NNc1nc(=O)cn[nH]1	mol7606	NNc1nc(=O)cn[nH]1