发明人马晓峰,孙丽萍,杨光. "Method for the Synthesis of 2-[5-acetyl-3-(methoxycarbonyl)-4-methyl-1h-pyrrol-2-yl]acetic acid" [P]. 中国发明专利, 专利号 CN 109959722 A, 授权公告日 2023-11-09.
发明人孙丽萍,钱学锋,赵玉洁. "A Process for Preparing High-Purity 2-[5-acetyl-3-(methoxycarbonyl)-4-methyl-1h-pyrrol-2-yl]acetic acid" [P]. 中国发明专利, 专利号 CN 117320627 B, 授权公告日 2020-04-15.
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