<unk>  is a vasodilator that is FDA approved for the treatment of cerebral vascular insufficiency, arteriosclerosis obliterans, thromboangitis obliterans, and Raynaud's disease.   Common adverse reactions include hypotension, tachyarrhythmia, rash, abdominal discomfort, nausea, and dizziness.
Isoxsuprine
Etilefrine
Methylergonovine 
Midodrine
Allylestrenol
Minaprine
Norethandrolone
Methandrostenolone