pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.52	OCHEM	0	-1	N#CSc1cc(C(=O)O)ccc1N	N#CSc1cc(C(=O)[O-])ccc1N	mol20549	N#CSc1cc(C(=O)O)ccc1N