pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-0.34	IUPAC digitized pKa	2	1	C[NH+]1C=C(S)C=C[NH2+]1	C[NH+]1C=C(S)C=CN1,C[NH+]1C=C([S-])C=C[NH2+]1,CN1C=C(S)C=C[NH2+]1	mol6967	CN1C=C(S)C=CN1