发明人李文辉,钱学锋,孙丽萍. "Method for the Synthesis of (2S,4R)-5,5-Difluorospiro[3.3]heptan-2-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 114743961 B, 授权公告日 2024-04-28.
发明人陈志强,杨光,马晓峰. "A Process for Preparing High-Purity (2S,4R)-5,5-Difluorospiro[3.3]heptan-2-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 114579410 B, 授权公告日 2018-03-18.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2024, 451, 5777-5801.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2019, 136, (10), 4499-4519.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of (2S,4R)-5,5-Difluorospiro[3.3]heptan-2-amine hydrochloride Using HRMS and NMR". Food Chem., 2025, 1456, (2), 5665-5684.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2023, 1551, (4), 8030-8044.