pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.42	IUPAC digitized pKa	0	-1	Cc1nc(S)nc2c1nc(C)n2C	Cc1nc([S-])nc2c1nc(C)n2C	mol8317	Cc1nc(S)nc2c1nc(C)n2C