发明人钱学锋,赵玉洁,李文辉. "Method for the Synthesis of 4-(1'-Ethyl-3'-methyl-1h,1'h-[3,4'-bipyrazol]-1-yl)aniline" [P]. 中国发明专利, 专利号 CN 112345165 B, 授权公告日 2023-07-11.
发明人罗永刚,李文辉,冯建国. "A Process for Preparing High-Purity 4-(1'-Ethyl-3'-methyl-1h,1'h-[3,4'-bipyrazol]-1-yl)aniline" [P]. 中国发明专利, 专利号 CN 109230118 A, 授权公告日 2024-09-22.
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". Molecules, 2011, 2338, (2), 1844-1856.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2015, 2114, (8), 7976-7979.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-(1'-Ethyl-3'-methyl-1h,1'h-[3,4'-bipyrazol]-1-yl)aniline Using HRMS and NMR". J. Sep. Sci., 2023, 526, 5745-5763.