Yamamoto T, Brown S R, Stevens L M. "Method for the Synthesis of (R)-3-((1S,4R)-Rel-1-isobutyryl-4-methyl-3-oxocyclohexyl)butanoic acid" [P]. US Patent, US 9726314 B2, 2021-08-12.
Anderson J P, Stevens L M, Hughes D C. "A Process for Preparing High-Purity (R)-3-((1S,4R)-Rel-1-isobutyryl-4-methyl-3-oxocyclohexyl)butanoic acid" [P]. US Patent, US 10021476 B2, 2019-01-07.
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". Food Chem., 2011, 427, (10), 3600-3623.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2018, 1925, 533-536.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of (R)-3-((1S,4R)-Rel-1-isobutyryl-4-methyl-3-oxocyclohexyl)butanoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2021, 1918, 2168-2173.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2012, 1476, (6), 9076-9082.