3-Chlorofluocinolone 16,17-acetonide 21-acetate 3-Chlorofluocinolone acetonide 21-acetate 3-Cl-FA-Ac 99339-99-8 Pregna-1,3,5-trien-20-one, 21-(acetyloxy)-3-chloro-6,9-difluoro-11-hydroxy-16,17-((1-methylethylidene)bis(oxy))-, (11beta,16alpha)-