发明人黄志刚,陈志强,高志强. "Method for the Synthesis of Methyl 3-acetyl-4,5-dihydro-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 113495424 B, 授权公告日 2017-02-10.
发明人朱建伟,胡光,马晓峰. "A Process for Preparing High-Purity Methyl 3-acetyl-4,5-dihydro-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111430644 B, 授权公告日 2017-06-02.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2011, 406, (11), 5805-5811.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2024, 347, (9), 2624-2628.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-acetyl-4,5-dihydro-1H-pyrazole-5-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2011, 1473, 1021-1028.