发明人张德明,何建平,刘建华. "Method for the Synthesis of 5-Acetyl-7-chloro-4-phenylpyrano[3,2-b]indol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 108971246 B, 授权公告日 2022-03-13.
发明人赵玉洁,韩伟,沈红梅. "A Process for Preparing High-Purity 5-Acetyl-7-chloro-4-phenylpyrano[3,2-b]indol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 115177312 A, 授权公告日 2016-10-13.
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