发明人徐明华,赵玉洁,郑宇鹏. "Method for the Synthesis of Ethyl 5-((2-aminophenyl)amino)-1-methyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 110293163 A, 授权公告日 2018-11-07.
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