发明人钱学锋,周伟,黄志刚. "Method for the Synthesis of Ethyl 2-{3-phenyl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6-yl}acetate" [P]. 中国发明专利, 专利号 CN 108467258 B, 授权公告日 2020-05-22.
发明人马晓峰,何建平,王建平. "A Process for Preparing High-Purity Ethyl 2-{3-phenyl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6-yl}acetate" [P]. 中国发明专利, 专利号 CN 111030023 B, 授权公告日 2018-07-09.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2010, 982, 8405-8431.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2020, 2109, (5), 7273-7281.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-{3-phenyl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6-yl}acetate Using HRMS and NMR". Anal. Methods, 2023, 1293, (5), 5429-5446.