Fischer A B, Kumar R, Schröder R. "一种2,5-二甲基苯甲醛-DNPH的合成方法" [P]. US Patent, US 10568193 B2, 2018-03-24.
Schröder R, Johnson M A, Stevens L M. "Method for the Synthesis of 2,5-Dimethylbenzaldehyd-2,4-dinitrophenylhydrazone" [P]. US Patent, US 9669467 B2, 2019-08-19.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 2,5-二甲基苯甲醛-DNPH in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 2383, (2), 5767-5770.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2,5-二甲基苯甲醛-DNPH as an Impurity". Talanta, 2022, 1810, (12), 7405-7422.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 2,5-Dimethylbenzaldehyd-2,4-dinitrophenylhydrazone Using HRMS and NMR". Environ. Sci. Technol., 2010, 2223, 4801-4806.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate 2,5-二甲基苯甲醛-DNPH Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2019, 1183, (9), 5147-5177.