O'Brien P Q, Thompson G K, Chen K W. "一种的合成方法" [P]. US Patent, US 11956312 B2, 2015-03-07.
发明人高志强,徐明华,陈志强. "Method for the Synthesis of 1-Isopropyl-2-azaspiro[3.5]Nonane" [P]. 中国发明专利, 专利号 CN 115429416 A, 授权公告日 2023-06-07.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2021, 372, (4), 1699-1714.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2015, 1471, (6), 2163-2193.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-Isopropyl-2-azaspiro[3.5]Nonane Using HRMS and NMR". J. Chromatogr. A, 2016, 1580, (9), 1902-1911.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2019, 238, (8), 5167-5171.