Stevens L M, Thompson G K, Brown S R. "一种的合成方法" [P]. US Patent, US 9580656 B2, 2015-11-10.
Park J H, Kumar R, Stevens L M. "Method for the Synthesis of 4,6,7-Trimethoxy-2-nitrobenzofuran" [P]. US Patent, US 10463428 B2, 2022-06-22.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2019, 2328, 7420-7428.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2010, 2473, 7388-7407.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4,6,7-Trimethoxy-2-nitrobenzofuran Using HRMS and NMR". Talanta, 2013, 2155, 1881-1909.