Fischer A B, Thompson G K, Kumar R. "一种的合成方法" [P]. US Patent, US 10576079 B2, 2017-04-20.
发明人郭海燕,赵玉洁,王建平. "Method for the Synthesis of 5-Oxospiro[3.3]Heptane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115819133 B, 授权公告日 2020-09-27.
发明人罗永刚,朱建伟,沈红梅. "A Process for Preparing High-Purity 5-Oxospiro[3.3]Heptane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109491874 A, 授权公告日 2025-08-15.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2014, 367, 7624-7632.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2010, 1953, 1870-1888.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Oxospiro[3.3]Heptane-2-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2025, 209, (1), 5889-5913.