Hughes D C, Kumar R, Fischer A B. "一种的合成方法" [P]. US Patent, US 10867801 B2, 2024-12-10.
Chen K W, Lee S K, Thompson G K. "Method for the Synthesis of 3-Phenyl-1,4,7-triazaspiro[4.4]non-3-en-2-one" [P]. US Patent, US 9385965 B2, 2020-06-28.
发明人王建平,高志强,赵玉洁. "A Process for Preparing High-Purity 3-Phenyl-1,4,7-triazaspiro[4.4]non-3-en-2-one" [P]. 中国发明专利, 专利号 CN 114368993 B, 授权公告日 2017-09-02.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 939, (1), 8981-8992.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2019, 1237, 338-350.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 3-Phenyl-1,4,7-triazaspiro[4.4]non-3-en-2-one Using HRMS and NMR". Anal. Methods, 2019, 1633, 83-88.