发明人张德明,徐明华,孙丽萍. "Method for the Synthesis of 1-{[(1,3-diphenyl-1H-pyrazol-4-yl)methylidene]amino}guanidine" [P]. 中国发明专利, 专利号 CN 112218768 A, 授权公告日 2019-09-15.
发明人林芳,王建平,杨光. "A Process for Preparing High-Purity 1-{[(1,3-diphenyl-1H-pyrazol-4-yl)methylidene]amino}guanidine" [P]. 中国发明专利, 专利号 CN 115668304 B, 授权公告日 2018-07-19.
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". J. Chromatogr. A, 2022, 909, (11), 3874-3886.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 2465, (8), 1892-1916.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-{[(1,3-diphenyl-1H-pyrazol-4-yl)methylidene]amino}guanidine Using HRMS and NMR". J. Sep. Sci., 2016, 537, (7), 9183-9192.