发明人徐明华,黄志刚,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116064011 A, 授权公告日 2022-08-22.
Schröder R, Mueller T C, Johansson L. "Method for the Synthesis of Ethyl 3-cyano-3-(ethylsulfonyl)-4-methylenecyclopentanecarboxylate" [P]. European Patent, EP 3394317 A1, 2015-07-21.
发明人韩伟,赵玉洁,高志强. "A Process for Preparing High-Purity Ethyl 3-cyano-3-(ethylsulfonyl)-4-methylenecyclopentanecarboxylate" [P]. 中国发明专利, 专利号 CN 113328216 B, 授权公告日 2024-02-25.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2011, 1997, 1244-1254.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2019, 1367, 8858-8881.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-cyano-3-(ethylsulfonyl)-4-methylenecyclopentanecarboxylate Using HRMS and NMR". J. Agric. Food Chem., 2025, 2292, 5464-5478.