52081-45-5 8064-08-2 Celestone-R Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9-fluoro-11,17-dihydroxy-16-methyl-, (11beta,16beta)-, mixt. with (11beta,16beta)-9-fluoro-11,17-dihydroxy-16-methyl-21-(phosphonooxy)pregna-1,4-diene-3,20-dione betamethasone acetate phosphate