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发明人何建平,林芳,朱建伟. "A Process for Preparing High-Purity 1-Benzyl 3-methyl 6-methoxy-1H-indole-1,3-dicarboxylate" [P]. 中国发明专利, 专利号 CN 108496087 B, 授权公告日 2016-09-11.
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