Davis P L, Yamamoto T, O'Brien P Q. "Method for the Synthesis of Ethyl 3-((2-amino-5-chlorophenyl)sulfonyl)-1H-indole-2-carboxylate" [P]. US Patent, US 11398630 B2, 2025-07-26.
发明人钱学锋,徐明华,林芳. "A Process for Preparing High-Purity Ethyl 3-((2-amino-5-chlorophenyl)sulfonyl)-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114943363 A, 授权公告日 2019-03-09.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2013, 2469, 9019-9033.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2012, 2233, 2314-2343.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-((2-amino-5-chlorophenyl)sulfonyl)-1H-indole-2-carboxylate Using HRMS and NMR". Anal. Methods, 2012, 2027, (6), 5958-5973.