Anderson J P, Kumar R, Johnson M A. "Method for the Synthesis of N'-(2-cyanoacetyl)-4-methyl-1-benzenesulfonohydrazide" [P]. US Patent, US 10384033 B2, 2023-03-25.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of N'-(2-cyanoacetyl)-4-methyl-1-benzenesulfonohydrazide in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2017, 630, (4), 2639-2658.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of N'-(2-cyanoacetyl)-4-methyl-1-benzenesulfonohydrazide as an Impurity". J. Chromatogr. A, 2018, 1417, (11), 2144-2169.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of N'-(2-cyanoacetyl)-4-methyl-1-benzenesulfonohydrazide Using HRMS and NMR". Talanta, 2023, 1578, (8), 3655-3660.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate N'-(2-cyanoacetyl)-4-methyl-1-benzenesulfonohydrazide Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2019, 339, (4), 3504-3524.