发明人赵玉洁,郭海燕,钱学锋. "Method for the Synthesis of 5-Bromo-4-methyl-1H-indole-2-carboxylic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 110247857 B, 授权公告日 2024-10-20.
发明人沈红梅,郑宇鹏,徐明华. "A Process for Preparing High-Purity 5-Bromo-4-methyl-1H-indole-2-carboxylic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 112843640 B, 授权公告日 2024-03-16.
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