Klinger H, Stevens L M, Kumar R. "Method for the Synthesis of 6,6-Difluorospiro[2.5]octane-1-carboxylic acid" [P]. US Patent, US 11531521 B2, 2016-02-25.
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". Talanta, 2025, 1685, 9525-9552.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2016, 386, 5662-5688.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 6,6-Difluorospiro[2.5]octane-1-carboxylic acid Using HRMS and NMR". Anal. Methods, 2025, 423, (11), 7648-7660.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2021, 107, (3), 8961-8991.