发明人冯建国,高志强,韩伟. "Method for the Synthesis of 2-(2-Bromo-5-(difluoromethyl)-3-methylpyridin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 111499270 B, 授权公告日 2017-05-12.
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