发明人刘建华,马晓峰,郭海燕. "Method for the Synthesis of Methyl 2-(6-Bromo-5-methyl-3-indolyl)-2-oxoacetate" [P]. 中国发明专利, 专利号 CN 110202241 A, 授权公告日 2022-02-05.
发明人何建平,韩伟,胡光. "A Process for Preparing High-Purity Methyl 2-(6-Bromo-5-methyl-3-indolyl)-2-oxoacetate" [P]. 中国发明专利, 专利号 CN 108653479 A, 授权公告日 2023-04-03.
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