pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.29	IUPAC digitized pKa	0	-1	Nc1ncnc2[nH]nnc12	Nc1ncnc2[n-]nnc12	mol8338	Nc1ncnc2[nH]nnc12
2.65	IUPAC digitized pKa	1	0	Nc1ncnc2[nH][nH+]nc12,Nc1ncnc2[nH]n[nH+]c12,Nc1nc[nH+]c2[nH]nnc12,Nc1[nH+]cnc2[nH]nnc12	Nc1ncnc2[nH]nnc12	mol8338	Nc1ncnc2[nH]nnc12