Bolandiol dipropionate
Bolandiol dipropionate , or bolandiol propionate, also known as norpropandrolate or 19-nor-4-androstenediol dipropionate, as well as estr-4-ene-3β,17β-diol 3,17-dipropionate, is a synthetic anabolic-androgenic steroid and derivative of 19-nortestosterone. It is an androgen ester – specifically, the 3,17-dipropionate ester of bolandiol.