Anderson J P, Thompson G K, Chen K W. "一种的合成方法" [P]. US Patent, US 10387902 B2, 2023-10-14.
Park J H, Yamamoto T, Lee S K. "Method for the Synthesis of 4-((9H-Fluoren-9-yl)thio)butanamide" [P]. US Patent, US 10498253 B2, 2022-07-11.
发明人林芳,高志强,周伟. "A Process for Preparing High-Purity 4-((9H-Fluoren-9-yl)thio)butanamide" [P]. 中国发明专利, 专利号 CN 112377329 B, 授权公告日 2017-10-24.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2016, 411, (5), 4805-4828.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2025, 982, (9), 7626-7652.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-((9H-Fluoren-9-yl)thio)butanamide Using HRMS and NMR". J. Sep. Sci., 2021, 750, 4529-4532.