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发明人郭海燕,钱学锋,林芳. "Method for the Synthesis of (E)-3-(3-bromo-5-ethoxy-4-(2-methoxy-2-oxoethoxy)phenyl)acrylic acid" [P]. 中国发明专利, 专利号 CN 109687693 A, 授权公告日 2018-03-15.
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