The routine has been improved for the industrial production.The structure of meptazinol hydrochloride was confirmed by IR, UV, 1HNMR, 13CNMR, MS and DSC.

• 经元素分析、IR、UV、1HNMR、13CNMR、MS和DSC等分析测试确定盐酸美普他酚结构，HPLC含量测定大于99.；6%25。