Yamamoto T, Thompson G K, Davis P L. "一种1,3-二苯胍的合成方法" [P]. US Patent, US 10971564 B2, 2023-04-22.
Davis P L, Park J H, Fischer A B. "Method for the Synthesis of 1,3-Diphenylguanidine" [P]. US Patent, US 11230532 B2, 2016-09-27.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 1,3-二苯胍 in Pharmaceutical Formulations". Chemosphere, 2016, 778, (8), 2440-2464.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1,3-二苯胍 as an Impurity". Talanta, 2021, 967, (10), 641-645.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 1,3-Diphenylguanidine Using HRMS and NMR". J. Chromatogr. A, 2023, 1771, (12), 9686-9710.