1. at receptor antagonists D Long-acting Phenoxybenzamine酚苄明 Longer action duration used for peripheral vasculardiseases anti-shock 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