发明人罗永刚,胡光,李文辉. "Method for the Synthesis of (3Z)-3-({[3-(trifluoromethyl)phenyl]amino}methylidene)-1,3-dihydro-2-benzothiophen-1-one" [P]. 中国发明专利, 专利号 CN 110974929 A, 授权公告日 2015-07-09.
发明人高志强,郭海燕,郑宇鹏. "A Process for Preparing High-Purity (3Z)-3-({[3-(trifluoromethyl)phenyl]amino}methylidene)-1,3-dihydro-2-benzothiophen-1-one" [P]. 中国发明专利, 专利号 CN 115655820 A, 授权公告日 2016-11-27.
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