Dostinex which is also commonly known as cabergoline contains this compund and is a dopamine receptor agonist. The structural formula is as follows:

Dostinex Tablets, for oral administration, contain 0.5 mg of cabergoline. Inactive ingredients consist of leucine, USP, and lactose, NF

Dostinex is usually employed by bodybuilders to combat prolactin and effects related to prolactin. Prolactin is a single-chain protein, very closely related to growth hormone. It is secreted by what’s known as lactotrophs in the anterior part of your pituitary gland. In addition, Prolactin is also synthesized and secreted by many other cells in the body, like immune cells, in the brain, and in women is even secreted by the decidua, in the uterus of pregnant women.