Schröder R, Yamamoto T, Lee S K. "Method for the Synthesis of 2-((4-Methyl-2-oxo-2h-chromen-7-yl)oxy)propanehydrazide" [P]. US Patent, US 11068282 B2, 2019-02-01.
Anderson J P, Mueller T, Kumar R. "A Process for Preparing High-Purity 2-((4-Methyl-2-oxo-2h-chromen-7-yl)oxy)propanehydrazide" [P]. US Patent, US 10082665 B2, 2019-09-04.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2021, 2096, 1997-2019.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2010, 613, 9687-9714.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-((4-Methyl-2-oxo-2h-chromen-7-yl)oxy)propanehydrazide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 2284, 9172-9180.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2020, 1332, 7580-7591.