发明人张德明,何建平,沈红梅. "Method for the Synthesis of (R)-2-Methyl-N-((3R,4R)-3-methyl-2-oxa-8-azaspiro[4.5]decan-4-yl)propane-2-sulfinamide" [P]. 中国发明专利, 专利号 CN 115784895 B, 授权公告日 2025-12-17.
发明人孙丽萍,罗永刚,陈志强. "A Process for Preparing High-Purity (R)-2-Methyl-N-((3R,4R)-3-methyl-2-oxa-8-azaspiro[4.5]decan-4-yl)propane-2-sulfinamide" [P]. 中国发明专利, 专利号 CN 108644377 A, 授权公告日 2021-11-27.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2012, 301, (4), 4422-4437.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2016, 2354, (3), 5561-5587.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-Methyl-N-((3R,4R)-3-methyl-2-oxa-8-azaspiro[4.5]decan-4-yl)propane-2-sulfinamide Using HRMS and NMR". J. Nat. Prod., 2013, 2479, (12), 1536-1549.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2016, 2480, (6), 4888-4910.