pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.61	IUPAC digitized pKa	0	-1	Cn1cc2[nH]c(S)nc2nc1=O	Cn1cc2[nH]c([S-])nc2nc1=O,Cn1cc2[n-]c(S)nc2nc1=O	mol9889	Cn1cc2[nH]c(S)nc2nc1=O