<unk> , or testosterone 17β-cyclopentylpropionate, is a synthetic androstane steroid and a derivative of testosterone. It is an androgen ester; specifically, it is the C17β cyclopentylpropionate<unk>  ester of testosterone.
Testosterone cypionate
Testosterone buciclate
Testosterone decanoate
Cloxotestosterone acetate
Testosterone valerate
Testosterone acetate
Androstanolone benzoate
Testosterone undecylenate