发明人徐明华,黄志刚,张德明. "Method for the Synthesis of 3-(4-(Bis(2-chloroethyl)amino)benzylidene)-5-(2,5-diethoxyphenyl)furan-2(3H)-one" [P]. 中国发明专利, 专利号 CN 114229209 A, 授权公告日 2017-04-25.
发明人郑宇鹏,李文辉,陈志强. "A Process for Preparing High-Purity 3-(4-(Bis(2-chloroethyl)amino)benzylidene)-5-(2,5-diethoxyphenyl)furan-2(3H)-one" [P]. 中国发明专利, 专利号 CN 112865684 B, 授权公告日 2015-08-21.
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