发明人李文辉,赵玉洁,郑宇鹏. "Method for the Synthesis of 7-Methoxy-2-methyl-5-nitro-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109543139 B, 授权公告日 2024-11-23.
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