pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.25	IUPAC digitized pKa	0	-1	Cn1ncc(=S)[nH]c1=O	Cn1ncc(=S)[n-]c1=O	mol9267	Cn1ncc(=S)[nH]c1=O