Thompson G K, Stevens L M, Lee S K. "Method for the Synthesis of 4,5-Diamino-2-bromobenzonitrile" [P]. US Patent, US 10786097 B2, 2020-11-21.
Kumar R, Park J H, Stevens L M. "A Process for Preparing High-Purity 4,5-Diamino-2-bromobenzonitrile" [P]. US Patent, US 10769466 B2, 2025-04-11.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2015, 1723, (2), 2059-2064.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2021, 1340, (9), 6864-6868.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-Diamino-2-bromobenzonitrile Using HRMS and NMR". Chemosphere, 2021, 1181, (5), 4559-4572.