Patel M V, Stevens L M, Davis P L. "一种的合成方法" [P]. US Patent, US 10098084 B2, 2016-04-18.
发明人郑宇鹏,沈红梅,周伟. "Method for the Synthesis of 1-Methyl-1,6-diazaspiro[3.5]nonane" [P]. 中国发明专利, 专利号 CN 109926543 B, 授权公告日 2022-08-28.
Stevens L M, Johnson M A, Davis P L. "A Process for Preparing High-Purity 1-Methyl-1,6-diazaspiro[3.5]nonane" [P]. US Patent, US 11694855 B2, 2015-05-09.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2012, 2078, 8298-8312.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2014, 787, 777-785.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-1,6-diazaspiro[3.5]nonane Using HRMS and NMR". J. Chromatogr. A, 2025, 696, (9), 7265-7279.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2017, 2172, (4), 7152-7177.