| 英文同义词: | BetaMethasone 9,11-Epoxide 17-Propionate;(9β,11β,16β)-9,11-Epoxy-21-hydroxy-16-Methyl-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione;BecloMethasone 9,11-Epoxide 17-Propionate;Beclomethasone Propionate Impurity U;Beclomethasone Impurity 17(Beclometasone Dipropionate EP Impurity U);Beclomethasone propionate EP impurity U;(4aS,4bS,5aS,6aS,7R,8S,9aS,9bS)-7-(2-hydroxyacetyl)-4a,6a,8-trimethyl-2-oxo-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl propionate;9,11β-Epoxy-21-hydroxy-16β-methyl-3,20-dioxo-9β-pregna-1,4-dien-17-yl propanoate |