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发明人郭海燕,冯建国,杨光. "Method for the Synthesis of (5E)-2-Mercapto-3-phenyl-5-(2,3,4-trimethoxybenzylidene)-3,5-dihydro-4H-imidazol-4-one
94451-86-2" [P]. 中国发明专利, 专利号 CN 117567663 B, 授权公告日 2024-11-06.
发明人沈红梅,胡光,赵玉洁. "A Process for Preparing High-Purity (5E)-2-Mercapto-3-phenyl-5-(2,3,4-trimethoxybenzylidene)-3,5-dihydro-4H-imidazol-4-one
94451-86-2" [P]. 中国发明专利, 专利号 CN 109328518 A, 授权公告日 2022-09-25.
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