... Tetrahydrothieno[3,2-c]pyridine-2(4H)-one hydrochloride Synonyms: 5,6,7,7a-Tetrahydro-thieno[3,2-c]pyridin-2(4H ... one hydrochloride;2-oxo-2,4,5,6,7,7a-hexahydrothieno [3,2-c] pyridine. Hydrochloride;5,6,7,7a-Tetrahydrothieno[3,2-c ... ]pyridin-2(4H)-one HCL;2-oxo-2,4,5,6,7,7a-hexahydrothieno[3,2-c];2H,4H,5H, ... 7H,7AH-thieno[3,2-c]pyridin-2-one hydrochloride;5,6,7,7a-Tetrahyhdro-4H-thieno[3,2-c]pyridin-2one ...