1. at receptor antagonists Long-acting Phenoxybenzamin酚羊明」 Longer action duration used for peripheral vasculardiseases anti-shock 口口口 pheochromocytoma improving urinary flow in patients with benign prostatic hypertrophyLong-acting Longer action duration used for peripheral vasculardiseases anti-shock pheochromocytoma improving urinary flow in patients with benign prostatic hypertrophy Phenoxybenzamine 酚苄明 1.  receptor antagonists