Yamamoto T, Brown S R, Park J H. "一种的合成方法" [P]. US Patent, US 11023276 B2, 2022-03-10.
Kumar R, Williams B T, Park J H. "Method for the Synthesis of Ethyl (7-nitro-9H-fluoren-2-yl)carbamate" [P]. US Patent, US 11651650 B2, 2025-12-10.
Roberts E F, Park J H, Brown S R. "A Process for Preparing High-Purity Ethyl (7-nitro-9H-fluoren-2-yl)carbamate" [P]. US Patent, US 9787536 B2, 2017-07-08.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 1113, (5), 3351-3361.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2021, 446, 6132-6155.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl (7-nitro-9H-fluoren-2-yl)carbamate Using HRMS and NMR". Anal. Chem., 2024, 1074, (1), 8009-8013.