Kowalski A, Nielsen H, Nowak P. "一种的合成方法" [P]. European Patent, EP 3169305 A1, 2017-01-25.
发明人沈红梅,郭海燕,黄志刚. "Method for the Synthesis of Ethyl 6,6-dimethyl-4-oxotetrahydro-2H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114934342 A, 授权公告日 2020-11-15.
发明人朱建伟,罗永刚,张德明. "A Process for Preparing High-Purity Ethyl 6,6-dimethyl-4-oxotetrahydro-2H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110703725 A, 授权公告日 2022-07-18.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2011, 685, 6082-6106.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2016, 457, 1340-1368.