发明人赵玉洁,沈红梅,周伟. "Method for the Synthesis of 1,3-Diphenylguanidine hemisulfate" [P]. 中国发明专利, 专利号 CN 111918045 A, 授权公告日 2016-05-08.
发明人杨光,张德明,罗永刚. "A Process for Preparing High-Purity 1,3-Diphenylguanidine hemisulfate" [P]. 中国发明专利, 专利号 CN 108802289 A, 授权公告日 2022-02-23.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2013, 1453, (11), 5897-5903.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2024, 376, (3), 9846-9859.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1,3-Diphenylguanidine hemisulfate Using HRMS and NMR". Anal. Chim. Acta, 2020, 2327, 7432-7448.