<unk> , also known as<unk>  or ethylnandrol and sold under the brand names Maxibolin and Orabolin among others, is an androgen and anabolic steroid (AAS) medication which has been used in the past for a variety of indications such as to promote weight gain and to treat anemia and osteoporosis but has been discontinued for use in humans. It is still available for veterinary use in Australia and New Zealand however. It is taken by mouth. Side effects of<unk>  include symptoms of masculinization like acne, increased hair growth, voice changes, and increased sexual desire. It can also cause liver damage. The drug is a synthetic androgen and anabolic steroid and hence is an agonist of the androgen receptor (AR), the biological target of androgens like testosterone and dihydrotestosterone (DHT). It has strong anabolic effects relative to its androgenic effects. The drug also has strong progestogenic effects.<unk>  is a prodrug of norethandrolone.<unk>  was first described in 1959 and was introduced for medical use in 1961. In addition to its medical use,<unk>  has been used to improve physique and performance. However, it is described as a very weak muscle-builder compared to other AAS and in relation to this has not been commonly used for such purposes. The drug is a controlled substance in many countries and so non-medical use is generally illicit.
Ethylestrenol
Lynestrenol
Allylestrenol
Bisoctrizole
Norethandrolone
Nandrolone propionate
Oxandrolone
Allenestrol