发明人张德明,赵玉洁,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114285656 A, 授权公告日 2017-04-12.
Yamamoto T, Mueller T, Roberts E F. "Method for the Synthesis of 4-(+)-(Dimethylamino)-3-methyl-2,2-diphenyl-butyronitrile (Isodidiavalo) >90%" [P]. US Patent, US 10004950 B2, 2025-05-23.
发明人沈红梅,何建平,张德明. "A Process for Preparing High-Purity 4-(+)-(Dimethylamino)-3-methyl-2,2-diphenyl-butyronitrile (Isodidiavalo) >90%" [P]. 中国发明专利, 专利号 CN 113822384 A, 授权公告日 2023-02-19.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2018, 1857, (3), 6037-6047.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2012, 1337, 1133-1163.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-(+)-(Dimethylamino)-3-methyl-2,2-diphenyl-butyronitrile (Isodidiavalo) >90% Using HRMS and NMR". Chemosphere, 2010, 198, 9854-9862.