Disclosed herein are novel benzoimidazoles and pharmaceutical compositions comprising at least one such novel benzoimidazoles, processes for the preparation thereof, and the method for using the same in therapy. In particular, disclosed herein are certain novel benzoimidazoles that are useful for inhibiting indoleamine 2,3-dioxygenase and for treating diseases or disorders mediated thereby.本文公開了新穎苯並咪唑和包含至少一種這樣的新穎苯並咪唑的醫藥組合物、其製備方法及其在療法中的使用方法。具體地,本文公開了某些新穎苯並咪唑,其可用於抑制吲哚胺2,3-雙加氧酶和用於治療由其介導的疾病或障礙。