Stevens L M, Williams B T, Mueller T. "一种的合成方法" [P]. US Patent, US 10846331 B2, 2018-03-01.
Patel M V, Schröder R, Stevens L M. "Method for the Synthesis of 4-(4-Methylphenyl)-2,5-dihydrofuran-2-one" [P]. US Patent, US 9388769 B2, 2022-09-19.
Fischer A B, Thompson G K, Anderson J P. "A Process for Preparing High-Purity 4-(4-Methylphenyl)-2,5-dihydrofuran-2-one" [P]. US Patent, US 10706719 B2, 2021-06-09.
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". Biomed. Chromatogr., 2017, 839, 6558-6567.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2021, 2457, 3067-3092.