Thompson G K, Lee S K, Fischer A B. "Method for the Synthesis of 4-Bromo-3-(difluoromethyl)-6-hydroxy-2-methoxypyridine" [P]. US Patent, US 11618784 B2, 2021-01-28.
Kowalski A, Johansson L, Lefèvre J P. "A Process for Preparing High-Purity 4-Bromo-3-(difluoromethyl)-6-hydroxy-2-methoxypyridine" [P]. European Patent, EP 3195409 A1, 2019-01-16.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2011, 1148, 8040-8043.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2018, 840, (6), 9461-9475.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-3-(difluoromethyl)-6-hydroxy-2-methoxypyridine Using HRMS and NMR". Anal. Chem., 2011, 1158, (8), 4369-4383.