Brown S R, Klinger H, Yamamoto T. "Method for the Synthesis of tert-Butyl6-acetamido-4-oxospiro[chromane-2,4'-piperidine]-1'-carboxylate" [P]. US Patent, US 11598680 B2, 2021-12-21.
发明人马晓峰,唐晓军,王建平. "A Process for Preparing High-Purity tert-Butyl6-acetamido-4-oxospiro[chromane-2,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 111910668 B, 授权公告日 2018-04-28.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2013, 2081, (1), 7543-7570.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2015, 957, (6), 3905-3921.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl6-acetamido-4-oxospiro[chromane-2,4'-piperidine]-1'-carboxylate Using HRMS and NMR". Chromatographia, 2019, 846, (8), 4911-4937.