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发明人郭海燕,周伟,胡光. "Method for the Synthesis of 5-(3-Ethoxy-4-hydroxyphenyl)-3-hydroxy-4-(4-isopropoxy-3-methylbenzoyl)-1-(2-methoxyethyl)-1H-pyrrol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 116408834 A, 授权公告日 2016-02-05.
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