发明人马晓峰,何建平,钱学锋. "Method for the Synthesis of 2-(2-Amino-6-(difluoromethyl)-5-methoxypyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 115918291 B, 授权公告日 2017-12-03.
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