发明人李文辉,郑宇鹏,张德明. "Method for the Synthesis of Ethyl 1-ethyl-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115662312 A, 授权公告日 2020-06-02.
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