发明人徐明华,冯建国,马晓峰. "Method for the Synthesis of Methyl 1-(4-ethoxy-2,6-difluorobenzyl)-1H-indazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108982594 B, 授权公告日 2023-02-19.
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