1. APIs
  2. Quinestrol
  3. Metabolites

Quinestrol Metabolites

Name Structure Notes
Cyclopentanol structure
Ethinyl Estradiol structure Primary metabolite of mestranol and quinestrol. Also a minor metabolite of norethindrone (0.7 and 1.0% of norethindrone converted to ethinyl estradiol at doses of 5 and 10 mg, respectively).