Björnsson E, Rossi M, Lefèvre J P. "Method for the Synthesis of EThyl (2s)-(2-formyl-1h-pyrrol-1-yl)(phenyl)acetate" [P]. European Patent, EP 3721665 A1, 2021-10-11.
发明人李文辉,胡光,钱学锋. "A Process for Preparing High-Purity EThyl (2s)-(2-formyl-1h-pyrrol-1-yl)(phenyl)acetate" [P]. 中国发明专利, 专利号 CN 110565763 B, 授权公告日 2021-12-06.
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