发明人刘建华,郭海燕,林芳. "Method for the Synthesis of 2-((1H-pyrrol-1-yl)methylene)malonic acid" [P]. 中国发明专利, 专利号 CN 108495552 A, 授权公告日 2021-07-01.
Yamamoto T, Chen K W, Davis P L. "A Process for Preparing High-Purity 2-((1H-pyrrol-1-yl)methylene)malonic acid" [P]. US Patent, US 9455703 B2, 2016-06-16.
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