发明人刘建华,钱学锋,胡光. "Method for the Synthesis of methyl 3-cyano-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111440358 B, 授权公告日 2016-09-04.
发明人杨光,赵玉洁,钱学锋. "A Process for Preparing High-Purity methyl 3-cyano-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 110295096 B, 授权公告日 2020-03-15.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2017, 786, (3), 7597-7617.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2013, 162, (11), 3094-3112.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of methyl 3-cyano-1H-pyrazole-4-carboxylate Using HRMS and NMR". Sci. Total Environ., 2021, 491, (2), 2641-2668.