Ethinylestradiol EP Impurity G

Chemical Name: 3,17-Dihydroxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-6-one (as per EP); 19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol-6-one (as per USP)

Synonym: ((R)-2-benzyl-3-((3S,4S)-4-(3-hydroxyphenyl)-3,4-dimethylpiperidin-1-yl)propanoyl)glycine