发明人张德明,周伟,林芳. "Method for the Synthesis of Methyl 2-(1-methyl-5-oxo-4,5-dihydro-1H-pyrrol-2-yl)acetate" [P]. 中国发明专利, 专利号 CN 111584260 A, 授权公告日 2022-07-20.
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