Chen K W, Klinger H, Hughes D C. "一种的合成方法" [P]. US Patent, US 9350981 B2, 2015-01-07.
Martínez F, Johansson L, Jørgensen K. "Method for the Synthesis of 4-Dimethylamino-N-(5-phenyl-1H-pyrazolo-[3,4-c]pyridazin-3-yl)-butyramide" [P]. European Patent, EP 3284236 A1, 2024-04-24.
Yamamoto T, O'Brien P Q, Thompson G K. "A Process for Preparing High-Purity 4-Dimethylamino-N-(5-phenyl-1H-pyrazolo-[3,4-c]pyridazin-3-yl)-butyramide" [P]. US Patent, US 9347724 B2, 2016-10-20.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2015, 400, (9), 9479-9498.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2022, 609, (11), 6023-6033.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-Dimethylamino-N-(5-phenyl-1H-pyrazolo-[3,4-c]pyridazin-3-yl)-butyramide Using HRMS and NMR". Molecules, 2025, 1149, (11), 8230-8255.