Provided herein are formulations, processes, solid forms and methods of use relating to 2-(tert-butylamino)-4-((1R,3R,4R)-3-hydroxy-4-methylcyclohexylamino)-pyrimidine-5-carboxamide.本文提供與2-(第三丁基胺基)-4-((1R,3R,4R)-3-羥基-4-甲基環己基胺基)-嘧啶-5-羧醯胺相關之調配物、製程、固態形式及使用方法。