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发明人郑宇鹏,孙丽萍,朱建伟. "A Process for Preparing High-Purity 2-Amino-7,8,8-trimethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridin-5-one" [P]. 中国发明专利, 专利号 CN 112104919 B, 授权公告日 2019-06-18.
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