Park J H, Brown S R, Johnson M A. "Method for the Synthesis of 3-Hydroxy-2-[(2-methylcyclopropyl)formamido]butanoic acid" [P]. US Patent, US 9599420 B2, 2019-08-23.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2020, 352, (8), 6990-7018.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2018, 187, 2625-2652.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Hydroxy-2-[(2-methylcyclopropyl)formamido]butanoic acid Using HRMS and NMR". Chemosphere, 2016, 1593, 6255-6272.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2017, 444, 9296-9320.