发明人郭海燕,徐明华,孙丽萍. "一种2-氯-3-氰基-6-氟苯甲酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 109556543 A, 授权公告日 2019-08-15.
发明人张德明,郑宇鹏,徐明华. "Method for the Synthesis of Ethyl 2-chloro-3-cyano-6-fluorobenzoate" [P]. 中国发明专利, 专利号 CN 110407053 B, 授权公告日 2019-09-19.
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