Rossi M, Björnsson E, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3199730 A1, 2021-02-02.
Johnson M A, Stevens L M, Roberts E F. "Method for the Synthesis of Ethyl 3-(2,6-difluoro-4-methoxyphenyl)-3-oxopropanoate" [P]. US Patent, US 10444381 B2, 2022-02-03.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2014, 594, (11), 9147-9160.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2020, 977, (3), 466-486.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-(2,6-difluoro-4-methoxyphenyl)-3-oxopropanoate Using HRMS and NMR". Phytochemistry, 2017, 1532, 8427-8431.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2022, 2399, (5), 6625-6644.