发明人陈志强,高志强,郭海燕. "Method for the Synthesis of 6-Ethynyl-1-azaspiro[3.3]heptane" [P]. 中国发明专利, 专利号 CN 110062203 B, 授权公告日 2024-10-12.
Lefèvre J P, Jørgensen K, Kowalski A. "A Process for Preparing High-Purity 6-Ethynyl-1-azaspiro[3.3]heptane" [P]. European Patent, EP 3183943 A1, 2024-11-17.
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". Anal. Methods, 2023, 1986, (1), 1553-1563.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2021, 733, (10), 4797-4813.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 6-Ethynyl-1-azaspiro[3.3]heptane Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 1178, 4436-4457.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2025, 1459, (10), 4526-4555.