<unk> , or testosterone 17β-heptanoate, is a synthetic androstane steroid and a derivative of testosterone. It is an androgen ester; specifically, it is the C17β<unk>  (heptanoate) ester of testosterone.
Testosterone enanthate
Testosterone decanoate
Testosterone undecanoate
Testosterone undecylenate
Testosterone acetate
Testosterone furoate
Testosterone propionate
Testosterone valerate