发明人赵玉洁,陈志强,唐晓军. "Method for the Synthesis of N-Acetyl-S-(2-amino-9-(4-fluorobenzyl)-6-oxo-6,9-dihydro-1H-purin-8-yl)-L-cysteine" [P]. 中国发明专利, 专利号 CN 113769007 B, 授权公告日 2015-12-24.
发明人黄志刚,张德明,唐晓军. "A Process for Preparing High-Purity N-Acetyl-S-(2-amino-9-(4-fluorobenzyl)-6-oxo-6,9-dihydro-1H-purin-8-yl)-L-cysteine" [P]. 中国发明专利, 专利号 CN 115405436 B, 授权公告日 2022-01-26.
参考文献 Literature
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Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of N-Acetyl-S-(2-amino-9-(4-fluorobenzyl)-6-oxo-6,9-dihydro-1H-purin-8-yl)-L-cysteine as an Impurity". Biomed. Chromatogr., 2022, 2461, (9), 1580-1609.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of N-Acetyl-S-(2-amino-9-(4-fluorobenzyl)-6-oxo-6,9-dihydro-1H-purin-8-yl)-L-cysteine Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 1702, (1), 3421-3439.