发明人罗永刚,张德明,郑宇鹏. "Method for the Synthesis of n-(4-Nitrophenyl)-3,4-dihydro-2h-1-benzopyran-4-amine" [P]. 中国发明专利, 专利号 CN 116059051 A, 授权公告日 2024-11-25.
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