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发明人陈志强,刘建华,李文辉. "Method for the Synthesis of Methyl 4-Hydroxypyrrole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116542975 B, 授权公告日 2025-02-10.
发明人张德明,冯建国,朱建伟. "A Process for Preparing High-Purity Methyl 4-Hydroxypyrrole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113371328 A, 授权公告日 2017-11-03.
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