发明人何建平,钱学锋,孙丽萍. "Method for the Synthesis of 2-(Difluoromethyl)-3,4-dihydroxypyridine-6-carboxaldehyde" [P]. 中国发明专利, 专利号 CN 114501394 B, 授权公告日 2019-06-18.
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