发明人何建平,钱学锋,张德明. "Method for the Synthesis of Ethyl 4-(quinoxalin-2-ylamino)benzoate" [P]. 中国发明专利, 专利号 CN 108527802 A, 授权公告日 2017-04-05.
发明人朱建伟,赵玉洁,张德明. "A Process for Preparing High-Purity Ethyl 4-(quinoxalin-2-ylamino)benzoate" [P]. 中国发明专利, 专利号 CN 112192579 A, 授权公告日 2024-08-23.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2015, 1053, 7242-7265.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2022, 1478, 4133-4163.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-(quinoxalin-2-ylamino)benzoate Using HRMS and NMR". Sci. Total Environ., 2017, 1483, 536-559.