Brown S R, Yamamoto T, Mueller T. "Method for the Synthesis of Isometheptene Impurity D" [P]. US Patent, US 10791494 B2, 2017-02-16.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of Isometheptene Impurity D in Pharmaceutical Formulations". J. Agric. Food Chem., 2025, 2056, (10), 83-111.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of Isometheptene Impurity D as an Impurity". J. Nat. Prod., 2022, 225, 3929-3947.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Isometheptene Impurity D Using HRMS and NMR". Anal. Methods, 2023, 1486, 9836-9855.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Isometheptene Impurity D Profile in Drug Substances According to ICH Guidelines". Molecules, 2021, 1939, (5), 4318-4327.