O'Brien P Q, Davis P L, Park J H. "一种的合成方法" [P]. US Patent, US 11341320 B2, 2022-02-02.
发明人徐明华,刘建华,郑宇鹏. "Method for the Synthesis of Ethyl 4,7-dimethyl-1-oxaspiro[2.5]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112115972 A, 授权公告日 2021-01-02.
发明人胡光,马晓峰,张德明. "A Process for Preparing High-Purity Ethyl 4,7-dimethyl-1-oxaspiro[2.5]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109493689 A, 授权公告日 2018-03-08.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2017, 1026, (10), 6478-6485.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2023, 1193, (1), 4636-4646.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4,7-dimethyl-1-oxaspiro[2.5]octane-2-carboxylate Using HRMS and NMR". Anal. Chem., 2014, 1145, (9), 7975-7999.