 
        Desogestrel EP Impurity B
CAS: 54024-12-3 
 Molecular Formula: C21H28O 
 Molecular Weight: 296,5 
 CRS Part Number: CRSD1520
 
        CAS: 54024-12-3 
 Molecular Formula: C21H28O 
 Molecular Weight: 296,5 
 CRS Part Number: CRSD1520
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