Yamamoto T, Mueller T, Davis P L. "一种的合成方法" [P]. US Patent, US 9256777 B2, 2017-11-21.
发明人韩伟,马晓峰,周伟. "Method for the Synthesis of 5-Amino-3-(carboxymethyl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117848907 A, 授权公告日 2024-02-06.
发明人何建平,林芳,韩伟. "A Process for Preparing High-Purity 5-Amino-3-(carboxymethyl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109212492 A, 授权公告日 2025-04-11.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2019, 1803, 6054-6071.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2016, 136, 5984-5990.