发明人朱建伟,刘建华,何建平. "Method for the Synthesis of 3-Nitro-4-(pyrrolidin-1-ylmethyl)-9H-xanthen-9-one" [P]. 中国发明专利, 专利号 CN 109316226 B, 授权公告日 2023-09-10.
发明人黄志刚,朱建伟,沈红梅. "A Process for Preparing High-Purity 3-Nitro-4-(pyrrolidin-1-ylmethyl)-9H-xanthen-9-one" [P]. 中国发明专利, 专利号 CN 116910658 B, 授权公告日 2020-10-06.
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