发明人郑宇鹏,徐明华,郭海燕. "Method for the Synthesis of 1-(o-Tolyl)-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108641053 A, 授权公告日 2023-03-16.
发明人杨光,郭海燕,高志强. "A Process for Preparing High-Purity 1-(o-Tolyl)-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112692194 A, 授权公告日 2022-01-01.
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