发明人周伟,韩伟,杨光. "Method for the Synthesis of (2Z)-3-cyano-2-hydroxy-2-Propenoic acid ethyl ester, sodium salt (1:1)" [P]. 中国发明专利, 专利号 CN 108953567 A, 授权公告日 2015-11-02.
发明人张德明,朱建伟,杨光. "A Process for Preparing High-Purity (2Z)-3-cyano-2-hydroxy-2-Propenoic acid ethyl ester, sodium salt (1:1)" [P]. 中国发明专利, 专利号 CN 108740101 B, 授权公告日 2015-01-27.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2014, 1766, 6371-6393.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2023, 1187, (3), 299-303.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (2Z)-3-cyano-2-hydroxy-2-Propenoic acid ethyl ester, sodium salt (1:1) Using HRMS and NMR". Biomed. Chromatogr., 2015, 1976, 2871-2875.