英文别名9-Chloro-11β,17,21-trihydroxy-16β-Methylpregna-1,4-diene-3,20-dione 21-Acetate 17-Propionate; (11β,16β)-21-(acetyloxy)-9-chloro-11-hydroxy-16-Methyl-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione; Beclomethasone Dipropionate Impurity B; Beclometasone Dipropionate EP Impurity B 
