发明人马晓峰,徐明华,杨光. "Method for the Synthesis of ethyl 5-(chloromethyl)-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111626571 B, 授权公告日 2025-12-09.
发明人郭海燕,胡光,朱建伟. "A Process for Preparing High-Purity ethyl 5-(chloromethyl)-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112100221 A, 授权公告日 2024-06-06.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 1218, (12), 3686-3713.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2018, 624, 6967-6988.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 5-(chloromethyl)-1H-pyrazole-3-carboxylate Using HRMS and NMR". Chromatographia, 2018, 1214, (12), 6823-6841.