发明人郭海燕,郑宇鹏,唐晓军. "一种2-(吡啶-4(1H)-亚基)-1H-茚-1,3(2H)二酮的合成方法" [P]. 中国发明专利, 专利号 CN 116257238 A, 授权公告日 2019-08-26.
发明人韩伟,马晓峰,罗永刚. "Method for the Synthesis of 2-(Pyridin-4(1H)-ylidene)-1H-indene-1,3(2H)-dione" [P]. 中国发明专利, 专利号 CN 110264678 A, 授权公告日 2017-09-25.
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