Anderson J P, Roberts E F, Brown S R. "一种(RS)-1-[1-乙基-4-[4-甲砜基-3-(2-甲氧基乙氧基)-邻苯甲酰基]-吡唑-5-氧基]乙基碳酸甲酯的合成方法" [P]. US Patent, US 9113153 B2, 2022-03-28.
发明人林芳,胡光,何建平. "Method for the Synthesis of Tolpyralate" [P]. 中国发明专利, 专利号 CN 112187842 A, 授权公告日 2016-02-22.
发明人周伟,杨光,赵玉洁. "A Process for Preparing High-Purity Tolpyralate" [P]. 中国发明专利, 专利号 CN 108790112 A, 授权公告日 2021-12-06.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of (RS)-1-[1-乙基-4-[4-甲砜基-3-(2-甲氧基乙氧基)-邻苯甲酰基]-吡唑-5-氧基]乙基碳酸甲酯 in Pharmaceutical Formulations". J. Agric. Food Chem., 2018, 623, (10), 521-537.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of (RS)-1-[1-乙基-4-[4-甲砜基-3-(2-甲氧基乙氧基)-邻苯甲酰基]-吡唑-5-氧基]乙基碳酸甲酯 as an Impurity". J. Chromatogr. A, 2025, 609, (9), 574-591.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Tolpyralate Using HRMS and NMR". Phytochemistry, 2019, 469, 6262-6270.