发明人徐明华,陈志强,冯建国. "Method for the Synthesis of 6-Chloro-n-cyclopentylpyridazine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 108104887 A, 授权公告日 2015-12-12.
Fischer A B, Hughes D C, Klinger H. "A Process for Preparing High-Purity 6-Chloro-n-cyclopentylpyridazine-3-carboxamide" [P]. US Patent, US 11525490 B2, 2022-11-21.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2021, 2049, (10), 5465-5483.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2019, 1105, (2), 9224-9243.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-n-cyclopentylpyridazine-3-carboxamide Using HRMS and NMR". J. Chromatogr. A, 2010, 316, 1798-1827.