发明人刘建华,钱学锋,韩伟. "Method for the Synthesis of Tert-butyl 3,5,6,7-tetrahydrospiro[imidazo[4,5-c]pyridine-4,3'-pyrrolidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 108154821 B, 授权公告日 2024-06-16.
发明人林芳,郭海燕,何建平. "A Process for Preparing High-Purity Tert-butyl 3,5,6,7-tetrahydrospiro[imidazo[4,5-c]pyridine-4,3'-pyrrolidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 111850918 A, 授权公告日 2025-12-15.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2020, 1842, 7022-7051.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2014, 176, 3379-3393.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 3,5,6,7-tetrahydrospiro[imidazo[4,5-c]pyridine-4,3'-pyrrolidine]-1'-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2020, 2243, 4342-4372.