发明人罗永刚,高志强,韩伟. "Method for the Synthesis of tert-Butyl 4,4-dimethyl-7-nitro-3,4-dihydroisoquinoline-2(1H)-carboxylate" [P]. 中国发明专利, 专利号 CN 109013451 A, 授权公告日 2019-07-08.
发明人杨光,何建平,唐晓军. "A Process for Preparing High-Purity tert-Butyl 4,4-dimethyl-7-nitro-3,4-dihydroisoquinoline-2(1H)-carboxylate" [P]. 中国发明专利, 专利号 CN 114845625 B, 授权公告日 2016-05-06.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2019, 629, (4), 1594-1608.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2021, 2097, (12), 4409-4430.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4,4-dimethyl-7-nitro-3,4-dihydroisoquinoline-2(1H)-carboxylate Using HRMS and NMR". Anal. Chem., 2024, 243, 2572-2597.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2024, 1178, 4119-4142.