2-oxo-2,4,5,6,7,7a-hexahydrothieno[3,2-c]pyridine-p-toluenesulfonate

5,6,7,7a-tetrahydro-4H-thieno[3,2-c]-pyridin-2-one toluene-4-sulfonate

5,6,7,7a-Tetrahydrothieno[3,2-c]pyridin-2(4H)-one 4-methylbenzenesulfonate

5,6,7,7a-tetrahydro-4H-thieno[3,2-c]-pyridin-2-one p-toluenesulfonate

5,6,7,7a-tetrahydro-4H-tieno[3,2-c]pyridine-2-on toluene-4-sulfonate