
1) Synthetic estrogen
Found on
https://www.crosswordclues.com/clue/quinbolone

Quinbolone (Anabolicum Vister) is an anabolic steroid with weak androgenic effects. It was developed by Parke-Davis in an attempt to create a viable orally-administered anabolic steroid with little or no liver toxicity. The drug is atypical in that steroid molecules are usually only given officially distinct names when there is a permanent structu...
Found on
http://en.wikipedia.org/wiki/Quinbolone
No exact match found.