Nandrolone sulfate

Nandrolone sulfate, also known as 19-nortestosterone 17β-sulfate and used medically as the sodium salt nandrolone sodium sulfate (brand names Keratyl, Nandrol, Nandain, Colirio Ocul Nandrol), is a synthetic androgen and anabolic steroid and a nandrolone ester which is or has been used as an ophthalmic drug in the form of eye drops in Spain, Denmark, Switzerland, France, Portugal, and Belgium.