The present disclosure discusses crystalline forms of 4-cyano-N-[2-(4,4-dimethylcyclohex-1-en-1-yl)-6-(2,2,6,6-tetramethyltetrahydro-2H-pyran-4-yl)pyridine-3-yl]-1H-imidazole-2-carboxamide.本揭露討論了4-氰基-N-[2-(4,4-二甲基環己-1-烯-1-基)-6-(2,2,6,6-四甲基四氫-2H-哌喃-4-基)吡啶-3-基]-1H-咪唑-2-甲醯胺之晶型。