发明人张德明,王建平,钱学锋. "Method for the Synthesis of Dimethyl 5-(2,5-dimethyl-1H-pyrrol-1-yl)-3-(2-methoxy-2-oxoethyl)thiophene-2,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 116899799 B, 授权公告日 2022-09-28.
发明人马晓峰,王建平,刘建华. "A Process for Preparing High-Purity Dimethyl 5-(2,5-dimethyl-1H-pyrrol-1-yl)-3-(2-methoxy-2-oxoethyl)thiophene-2,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 117583477 A, 授权公告日 2019-05-17.
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