O'Brien P Q, Kumar R, Patel M V. "一种的合成方法" [P]. US Patent, US 9021911 B2, 2018-08-28.
发明人张德明,林芳,韩伟. "Method for the Synthesis of 4-Methyl-benzoic acid 2-methyl-2-(4-methyl-benzoylamino)-propyl ester" [P]. 中国发明专利, 专利号 CN 112730976 A, 授权公告日 2024-01-15.
发明人王建平,钱学锋,孙丽萍. "A Process for Preparing High-Purity 4-Methyl-benzoic acid 2-methyl-2-(4-methyl-benzoylamino)-propyl ester" [P]. 中国发明专利, 专利号 CN 114349915 B, 授权公告日 2017-02-15.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2010, 578, (12), 8175-8201.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2015, 2285, 1866-1896.