
Ethisterone (pregneninolone, 17α-ethynyltestosterone or 19–norandrostane) is a progestin. It is the 17α-ethynyl analog of testosterone, and was synthesized in 1938 by Hans Herloff Inhoffen, Willy Logemann, Walter Hohlweg, and Arthur Serini at Schering AG in Berlin and marketed in Germany in 1939 as Proluton C and by Schering in the U.S. in 194...
Found on
http://en.wikipedia.org/wiki/Ethisterone

<chemical> 17 alpha-hydroxypregn-4-en-20-yn-3-one. A synthetic steroid hormone with progestational effects. ... Pharmacological action: progestational hormones, synthetic. ... Chemical name: Pregn-4-en-20-yn-3-one, 17-hydroxy-, (17alpha)- ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973
No exact match found.