Nowak P, Mueller T C, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3537465 A1, 2022-02-27.
Lee S K, Chen K W, Klinger H. "Method for the Synthesis of Spiro[chromene-2,4'-piperidine]" [P]. US Patent, US 11211548 B2, 2021-07-11.
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, 815, (8), 5925-5939.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2021, 1602, (12), 4439-4457.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Spiro[chromene-2,4'-piperidine] Using HRMS and NMR". Biomed. Chromatogr., 2011, 2380, (11), 600-611.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2019, 1878, 397-404.