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21-???????????

21-???????????
21-??????????? ??? ???
?? ??:
1188271-71-7
???:
21-???????????
???(??):
21-???????????
???:
21-Dehydro DesoxyMetasone
???(??):
(11β,16α)-9-Fluoro-11-hydroxy-16-Methyl-3,20-dioxopregna-1,4-dien-21-al;Dexamethasone Impurity 55;21-Dehydro DesoxyMetasone;Dexamethasone 21-Dehydro Impurity;21-Dehydro-17-Deoxy-DexaMethasone;21-Dehydro DesoxyMetasone Discontinued See D298790;Pregna-1,4-dien-21-al, 9-fluoro-11-hydroxy-16-methyl-3,20-dioxo-, (11β,16α)-
CBNumber:
CB42558024
???:
C22H27FO4
??? ??:
374.45
MOL ??:
1188271-71-7.mol

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Desoxymetasone (D296970) impurity.

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