英文别名Beclomethasone 9,11-Epoxide 17,21-Dipropionate; (9α,11α,16α)-9,11-Epoxy-16-methyl-17,21-bis(1-oxopropoxy)pregna-1,4-diene-3,20-dione; (9β,11β,16β)-9,11-Epoxy-16-Methyl-17,21-bis(1-oxopropoxy)pregna-1,4-diene-3,20-dione; Beclomethasone Propionate Impurity J(EP); Betamethasone Dipropionate EP Impurity F; Beclomethasone EP Impurity J; Beclomethasone Dipropionate EP Impurity J 
