Provided herein are compounds, such as a compound of Formula (I), or a pharmaceutically acceptable salt thereof, that are immunoproteasome (such as LMP2 and LMP7) inhibitors. The compounds described herein can be useful for the treatment of diseases treatable by inhibition of immunoproteasomes. Also provided herein are pharmaceutical compositions containing such compounds and processes for preparing such compounds.本文中提供諸如式(I)化合物、或其醫藥上可接受之鹽之化合物，其係免疫蛋白酶體(諸如LMP2及LMP7)抑制劑。本文中所述化合物可用於治療可藉由抑制免疫蛋白酶體來治療之疾病。本文中亦提供含有此等化合物之醫藥組成物及用於製備此等化合物之程序。
