发明人韩伟,王建平,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117750553 A, 授权公告日 2022-06-09.
Roberts E F, Fischer A B, Kumar R. "Method for the Synthesis of 3-Ethyl-2-hydrazinyl-6,7-dimethoxyquinazolin-4(3H)-one" [P]. US Patent, US 9050356 B2, 2018-05-21.
发明人郭海燕,何建平,冯建国. "A Process for Preparing High-Purity 3-Ethyl-2-hydrazinyl-6,7-dimethoxyquinazolin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 115740167 A, 授权公告日 2018-05-21.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2021, 1484, (1), 349-372.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2018, 266, (12), 5751-5779.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl-2-hydrazinyl-6,7-dimethoxyquinazolin-4(3H)-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2020, 480, 6583-6596.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 450, (11), 2898-2926.