Park J H, Davis P L, Chen K W. "一种的合成方法" [P]. US Patent, US 11706145 B2, 2018-11-22.
Yamamoto T, Park J H, Lee S K. "Method for the Synthesis of Methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-5-{3-[(4-methoxy-2,3,6-trimethylbenzene)sulfonyl]carbamimidamido}pentanoate" [P]. US Patent, US 11864498 B2, 2022-09-05.
发明人周伟,杨光,罗永刚. "A Process for Preparing High-Purity Methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-5-{3-[(4-methoxy-2,3,6-trimethylbenzene)sulfonyl]carbamimidamido}pentanoate" [P]. 中国发明专利, 专利号 CN 117076125 A, 授权公告日 2023-02-07.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2025, 1861, (4), 1299-1304.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2021, 1813, (12), 6669-6676.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-5-{3-[(4-methoxy-2,3,6-trimethylbenzene)sulfonyl]carbamimidamido}pentanoate Using HRMS and NMR". Chemosphere, 2019, 249, 7612-7633.