Björnsson E, Jørgensen K, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3890637 A1, 2025-08-05.
Nowak P, Kowalski A, Jørgensen K. "Method for the Synthesis of 4-Cyclopropyl-2-morpholinopyrimidine-5-carboxylic acid" [P]. European Patent, EP 3915322 A1, 2022-03-25.
Klinger H, Mueller T, Johnson M A. "A Process for Preparing High-Purity 4-Cyclopropyl-2-morpholinopyrimidine-5-carboxylic acid" [P]. US Patent, US 9969592 B2, 2017-09-07.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2018, 702, (8), 7418-7440.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2023, 1706, (6), 1371-1375.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyclopropyl-2-morpholinopyrimidine-5-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2020, 1452, (3), 56-86.