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发明人胡光,郭海燕,周伟. "A Process for Preparing High-Purity 1-(3,4-Dihydroxyphenyl)-2-(pyridin-2-ylthio)ethan-1-one" [P]. 中国发明专利, 专利号 CN 116511827 A, 授权公告日 2024-02-09.
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