发明人何建平,孙丽萍,赵玉洁. "Method for the Synthesis of 2-(6-Cyano-4-formylpyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 115702152 A, 授权公告日 2024-12-11.
发明人孙丽萍,杨光,郭海燕. "A Process for Preparing High-Purity 2-(6-Cyano-4-formylpyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 113542165 B, 授权公告日 2022-06-23.
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