Hughes D C, Klinger H, Kumar R. "Method for the Synthesis of 4-Methyl-N'-(5-nitro-1-benzothiophene-2-carbonyl)benzohydrazide" [P]. US Patent, US 9210448 B2, 2016-09-20.
Stevens L M, Mueller T, O'Brien P Q. "A Process for Preparing High-Purity 4-Methyl-N'-(5-nitro-1-benzothiophene-2-carbonyl)benzohydrazide" [P]. US Patent, US 9914060 B2, 2025-05-13.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2025, 102, (12), 513-541.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2016, 243, 8773-8795.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-N'-(5-nitro-1-benzothiophene-2-carbonyl)benzohydrazide Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 672, 5715-5724.