BCD21: Beclometasone Dipropionate EP Impurity U

BCD21: Beclometasone Dipropionate EP Impurity U

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Betamethasone 9,11-Epoxide 17-Propionate ;

9,11β-Epoxy-21-hydroxy-16β-methyl-3,20-dioxo-9β-pregna-1,4-dien-17-yl propanoate ;

CAS # 79578-39-5 ;

C25H32O6 ;

MW: 428.52 ;