The disclosure relates to a novel class of compounds that exhibit activity inhibitory activity toward arginase, and pharmaceutical compositions comprising the compounds of the disclosure. Also provided herein are methods of treating cancer with the arginase inhibitors of the disclosure.本發明係關於一種展現對精胺酸酶之活性的抑制活性的新穎類別之化合物及包含本發明化合物之醫藥組合物。本發明亦提供用本發明之精胺酸酶抑制劑治療癌症之方法。