25122-45-6 倍他米松杂质25
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英文别名Pregna-1,4-diene-3,20-dione, 17-(acetyloxy)-21-chloro-9-fluoro-11-hydroxy-16-methyl-, (11β,16β); 17-O-Acetyl,-21-Deshydroxy,-21-Chloro-Betamethasone; Betamethasone Impurity 42; Betamethasone Impurity 112; Clobetasol acetate
