发明人杨光,徐明华,马晓峰. "Method for the Synthesis of 3-Acetyl-5,5-dimethyl-4,5-dihydro-1H-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 112793958 A, 授权公告日 2024-06-18.
发明人赵玉洁,韩伟,郭海燕. "A Process for Preparing High-Purity 3-Acetyl-5,5-dimethyl-4,5-dihydro-1H-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 114209432 A, 授权公告日 2025-07-05.
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". J. Nat. Prod., 2025, 2289, 5965-5986.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2012, 1266, 6256-6260.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-Acetyl-5,5-dimethyl-4,5-dihydro-1H-pyrazole-4-carbonitrile Using HRMS and NMR". Biomed. Chromatogr., 2022, 2151, (1), 6320-6334.