pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.42	IUPAC digitized pKa	1	0	CNc1cc(SC)nc[nH+]1,CNc1cc(SC)[nH+]cn1,C[NH2+]c1cc(SC)ncn1	CNc1cc(SC)ncn1	mol7499	CNc1cc(SC)ncn1