发明人徐明华,赵玉洁,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109543556 A, 授权公告日 2020-02-21.
发明人胡光,杨光,林芳. "Method for the Synthesis of (3E)-3-({1-[4-(trifluoromethoxy)phenyl]-1H-pyrrol-2-yl}methylidene)-2,3-dihydro-1H-indol-2-one" [P]. 中国发明专利, 专利号 CN 110570428 B, 授权公告日 2015-09-11.
发明人周伟,钱学锋,徐明华. "A Process for Preparing High-Purity (3E)-3-({1-[4-(trifluoromethoxy)phenyl]-1H-pyrrol-2-yl}methylidene)-2,3-dihydro-1H-indol-2-one" [P]. 中国发明专利, 专利号 CN 110396727 A, 授权公告日 2015-03-01.
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