发明人郭海燕,沈红梅,冯建国. "Method for the Synthesis of 5'-(4-(Diphenylamino)phenyl)-[2,2'-bithiophene]-5-carbaldehyde" [P]. 中国发明专利, 专利号 CN 116941212 B, 授权公告日 2017-11-23.
发明人张德明,郑宇鹏,徐明华. "A Process for Preparing High-Purity 5'-(4-(Diphenylamino)phenyl)-[2,2'-bithiophene]-5-carbaldehyde" [P]. 中国发明专利, 专利号 CN 115440987 A, 授权公告日 2018-01-07.
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