发明人胡光,孙丽萍,郑宇鹏. "Method for the Synthesis of 3-Formyl-5-methoxy-1-methyl-1h-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113166749 A, 授权公告日 2018-03-10.
发明人杨光,何建平,郑宇鹏. "A Process for Preparing High-Purity 3-Formyl-5-methoxy-1-methyl-1h-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117146264 A, 授权公告日 2018-06-14.
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