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发明人郭海燕,林芳,沈红梅. "Method for the Synthesis of 5-Chloro-2-{[(3-chlorophenyl)methyl]sulfanyl}-1,3-benzoxazole" [P]. 中国发明专利, 专利号 CN 110861709 B, 授权公告日 2019-09-11.
发明人黄志刚,郭海燕,张德明. "A Process for Preparing High-Purity 5-Chloro-2-{[(3-chlorophenyl)methyl]sulfanyl}-1,3-benzoxazole" [P]. 中国发明专利, 专利号 CN 110710141 A, 授权公告日 2019-05-15.
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