According to a 2009 paper authored by GTx, "Readers are cautioned to note that the name ostarine is often mistakenly linked to the chemical structure of S-4, which is also known as andarine. The chemical structure of ostarine has not been publicly disclosed." A 2009 review stated "Recently, GTx disclosed that compound 5 had advanced into clinical trials. The patent application described detailed data in an initial proof-of-concept Phase IIa clinical trial. It is not explicitly stated that compound 5 is Ostarine (MK-2866). As of 2012, the mechanism of action of<unk>  is still being debated and requires further investigation.
Enobosarm
Valspodar
Mirex
Nicogel
Alloplant
PharMed
Aneugen
Titermax