Brown S R, Klinger H, Stevens L M. "Method for the Synthesis of H-7 Dihydrochloride, 98%" [P]. US Patent, US 10804121 B2, 2017-11-19.
Davis P L, Chen K W, Patel M V. "A Process for Preparing High-Purity H-7 Dihydrochloride, 98%" [P]. US Patent, US 11623879 B2, 2023-01-16.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 2164, 9545-9552.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2015, 2045, (8), 595-614.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of H-7 Dihydrochloride, 98% Using HRMS and NMR". Food Chem., 2010, 1185, 3229-3241.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2013, 2090, 6534-6551.