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发明人郭海燕,王建平,罗永刚. "Method for the Synthesis of Methyl 4-cyano-3-(2,5-dimethyl-1H-pyrrol-1-yl)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113132442 B, 授权公告日 2020-01-26.
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