Nielsen H, Mueller T C, Jørgensen K. "Method for the Synthesis of 1-(2-(Diethylamino)-2-oxoethyl)-1H-pyrrole-2-carboxylic acid" [P]. European Patent, EP 3039702 A1, 2022-03-07.
发明人李文辉,王建平,何建平. "A Process for Preparing High-Purity 1-(2-(Diethylamino)-2-oxoethyl)-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114353274 B, 授权公告日 2017-08-10.
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