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发明人徐明华,刘建华,胡光. "A Process for Preparing High-Purity methyl 3-formyl-6-methyl-1-(4-methylbenzyl)-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109360353 B, 授权公告日 2019-02-15.
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