Anderson J P, Stevens L M, Chen K W. "一种的合成方法" [P]. US Patent, US 10416262 B2, 2021-09-01.
发明人何建平,马晓峰,郭海燕. "Method for the Synthesis of 4-(2-Aminoethyl)-5-(tert-butyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 112333429 A, 授权公告日 2023-11-14.
发明人马晓峰,杨光,冯建国. "A Process for Preparing High-Purity 4-(2-Aminoethyl)-5-(tert-butyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 115001000 A, 授权公告日 2022-09-11.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2025, 1403, 4859-4870.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2011, 1071, 5696-5704.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-Aminoethyl)-5-(tert-butyl)-1,2-dihydro-3H-pyrazol-3-one Using HRMS and NMR". J. Nat. Prod., 2018, 2103, 9125-9146.