Ethinylestradiol EP Impurity C

Chemical Name: 3-hydroxyestra-1,3,5(10)-trien-17-one (as per EP)

Synonym: Alvimopan Acyl-β-D-Glucuronide ; (2S,3S,4S,5R,6S)-6-((((S)-2-benzyl-3-((3R,4R)-4-(3-hydroxyphenyl)-3,4-dimethylpiperidin-1-yl)propanoyl)glycyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid