Described are deuterium-substituted tetrahydrocarbazole compounds of Formulae I, II, or III which are inhibitors of sirtuin 1 (SIRT1). Also described are pharmaceutical compositions comprising the deuterium-substituted tetrahydrocarbazole compounds, and methods of use thereof.本文所描述者係式I、II或III之經氘取代的四氫咔唑化合物,其係sirtuin 1(SIRT1)之抑制劑。亦為本文所描述者係包含該經氘取代的四氫咔唑化合物的醫藥組成物、及其使用方法。