The present invention relates generally to the compound: N-((4aS,6aR,6bS,8aR,12aS,14aR,14bS)-11-cyano-2,2,6a,6b,9,9,12a-heptamethyl-10,14-dioxo-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,12a,14,14a,14b-octadecahydropicen-4a-yl)-2,2-difluoropropanamide, polymorphic forms thereof, methods for preparation and use thereof, pharmaceutical compositions thereof, and kits and articles of manufacture thereof.本發明大體上係關於化合物:N-((4aS,6aR,6bS,8aR,12aS,14aR,14bS)-11-氰基-2,2,6a,6b,9,9,12a-七甲基-10,14-二側氧基-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,12a,14,14a,14b-十八氫苉-4a-基)-2,2-二氟丙醯胺、其多晶型、其製備及使用方法、其醫藥組合物以及其套組及製品。