Schröder R, Rossi M, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3325725 A1, 2020-10-21.
发明人韩伟,马晓峰,胡光. "Method for the Synthesis of (Z)-[1-(Pyrazin-2-yl)ethylidene]amino 3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 112270781 B, 授权公告日 2022-08-03.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2017, 1174, (3), 193-197.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2014, 86, (9), 8041-8049.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of (Z)-[1-(Pyrazin-2-yl)ethylidene]amino 3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylate Using HRMS and NMR". J. Nat. Prod., 2019, 247, 4778-4793.