一种近年来引入国际市场的强力镇痛药物——“镇痛新”(Pentazocine)最近已由湖南医药工业研究所试制成功。它系5,9-二甲基-2-(3,3-二甲基烯丙基)-2＇-羟基-2,7-苯骈吗啡烷的外消旋混合物,能解除病人各种类型和不同程度的急、慢性疼痛。其镇痛强度:30毫克镇痛新相当于10毫克吗啡、75～100毫克度冷丁。通常肌肉及皮下注射15～20 A powerful analgesic drug introduced into the international market in recent years - Pentazocine has recently been successfully trial-produced by the Hunan Institute of Pharmaceutical Industry. It is a racemic mixture of 5,9-dimethyl-2- (3,3-dimethylallyl) -2’-hydroxy-2,7-benzoxisoporphyrin, which can relieve the patient of various types And varying degrees of acute and chronic pain. The analgesic strength: 30 mg of new analgesic equivalent to 10 mg of morphine, 75 to 100 mg meperidine. Usually muscle and subcutaneous injection of 15 to 20