英文同义词
21-Dehydro DexaMethasone;DexaMethasone IMpurity I (21-Dehydro DexaMethasone);21-Dehydro DexaMethasone Hydrate;11β,17α-dihydroxy-9α-fluoro-16α-methyl-3,20-dioxo-1,4-pregnadien-21-al;Pregna-1,4-dien-21-al, 9-fluoro-11,17-dihydroxy-16-methyl-3,20-dioxo-, (11β,16α)-;Dexamethasone Impurity 66