发明人张德明,杨光,高志强. "Method for the Synthesis of Ethyl 4-bromo-3-methyl-1H-indole-6-carboxylate" [P]. 中国发明专利, 专利号 CN 114438878 A, 授权公告日 2018-10-28.
发明人高志强,周伟,李文辉. "A Process for Preparing High-Purity Ethyl 4-bromo-3-methyl-1H-indole-6-carboxylate" [P]. 中国发明专利, 专利号 CN 111326322 A, 授权公告日 2019-01-23.
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