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发明人郭海燕,朱建伟,钱学锋. "Method for the Synthesis of (3Z)-3-({[3-(trifluoromethyl)phenyl]amino}methylidene)-1,3-dihydro-2-benzofuran-1-one" [P]. 中国发明专利, 专利号 CN 114630862 B, 授权公告日 2022-05-09.
Chen K W, Roberts E F, Lee S K. "A Process for Preparing High-Purity (3Z)-3-({[3-(trifluoromethyl)phenyl]amino}methylidene)-1,3-dihydro-2-benzofuran-1-one" [P]. US Patent, US 10295922 B2, 2020-04-20.
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