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发明人张德明,杨光,刘建华. "Method for the Synthesis of Methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(4-methylphenyl)-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115360530 A, 授权公告日 2023-02-18.
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