英文别名6α,9-Difluoro-11β,21-dihydroxy-17-(1-oxobutoxy)pregna-1,4-diene-3,20-dione; 6α,9-Difluoro Prednisolone 17-Butyrate; 6α,9α-Difluoroprednisolone-17-butyrate; Difluprednate Impurity 7; 21-Desacetyl Difluprednate; [(6S,8S,9R,10S,11S,13S,14S,17R)-6,9-difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl] butanoate