pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.23	IUPAC digitized pKa	0	-1	CSc1ncc2nn[nH]c2n1	CSc1ncc2nn[n-]c2n1	mol8366	CSc1ncc2nn[nH]c2n1