发明人沈红梅,王建平,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117509936 A, 授权公告日 2019-11-17.
发明人李文辉,杨光,钱学锋. "Method for the Synthesis of 1-(P-Ethoxyphenyl)-Biguanide Hydrochloric Acid Salt" [P]. 中国发明专利, 专利号 CN 110768281 A, 授权公告日 2016-05-28.
发明人刘建华,钱学锋,罗永刚. "A Process for Preparing High-Purity 1-(P-Ethoxyphenyl)-Biguanide Hydrochloric Acid Salt" [P]. 中国发明专利, 专利号 CN 112699348 B, 授权公告日 2017-03-25.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 1056, (10), 858-885.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2020, 124, (5), 7310-7318.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 1-(P-Ethoxyphenyl)-Biguanide Hydrochloric Acid Salt Using HRMS and NMR". J. Sep. Sci., 2010, 814, 9676-9695.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2012, 940, 5885-5910.