pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.1	IUPAC digitized pKa	1	0	Nc1nc(CO)nc(N)[nH+]1,Nc1nc(N)[nH+]c(CO)n1,Nc1nc([NH3+])nc(CO)n1	Nc1nc(N)nc(CO)n1	mol7622	Nc1nc(N)nc(CO)n1
3.8	OCHEM	1	0	Nc1nc(CO)nc(N)[nH+]1,Nc1nc(N)[nH+]c(CO)n1,Nc1nc([NH3+])nc(CO)n1	Nc1nc(N)nc(CO)n1	mol7622	Nc1nc(N)nc(CO)n1