Martínez F, Schröder R, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3717560 A1, 2023-10-05.
发明人罗永刚,郭海燕,郑宇鹏. "Method for the Synthesis of Ethyl 3-amino-4-[(2-{[(isopropylamino)-carbonyl]amino}ethyl)amino]benzoate" [P]. 中国发明专利, 专利号 CN 112979246 B, 授权公告日 2019-01-24.
发明人沈红梅,胡光,周伟. "A Process for Preparing High-Purity Ethyl 3-amino-4-[(2-{[(isopropylamino)-carbonyl]amino}ethyl)amino]benzoate" [P]. 中国发明专利, 专利号 CN 113519631 A, 授权公告日 2018-05-07.
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". Sci. Total Environ., 2019, 1633, (1), 2328-2353.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2018, 2292, 5699-5719.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-amino-4-[(2-{[(isopropylamino)-carbonyl]amino}ethyl)amino]benzoate Using HRMS and NMR". J. Sep. Sci., 2022, 1667, (1), 7868-7881.