发明人郭海燕,沈红梅,唐晓军. "Method for the Synthesis of 4-(Di(1H-pyrrol-2-yl)methyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 113458861 B, 授权公告日 2021-06-27.
发明人高志强,周伟,马晓峰. "A Process for Preparing High-Purity 4-(Di(1H-pyrrol-2-yl)methyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 116747243 A, 授权公告日 2016-07-19.
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