Brown S R, Stevens L M, Kumar R. "Method for the Synthesis of Hydroxy-4-methylphthalazine" [P]. US Patent, US 9870630 B2, 2019-03-21.
Davis P L, Johnson M A, Anderson J P. "A Process for Preparing High-Purity Hydroxy-4-methylphthalazine" [P]. US Patent, US 9375215 B2, 2019-11-26.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2022, 2331, (11), 6365-6393.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2014, 1176, (2), 3600-3620.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Hydroxy-4-methylphthalazine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 2367, 2864-2883.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2016, 743, 2203-2222.