发明人高志强,周伟,陈志强. "一种2-(4(1<I>H</I>)-Pyridinylidene)-1H-indene-1,3(2<I>H</I>)-dione的合成方法" [P]. 中国发明专利, 专利号 CN 117260353 A, 授权公告日 2023-08-25.
发明人李文辉,韩伟,林芳. "Method for the Synthesis of 2-(4(1<I>H</I>)-Pyridinylidene)-1H-indene-1,3(2<I>H</I>)-dione" [P]. 中国发明专利, 专利号 CN 115604759 B, 授权公告日 2017-10-17.
发明人韩伟,黄志刚,杨光. "A Process for Preparing High-Purity 2-(4(1<I>H</I>)-Pyridinylidene)-1H-indene-1,3(2<I>H</I>)-dione" [P]. 中国发明专利, 专利号 CN 115557426 B, 授权公告日 2023-01-11.
参考文献 Literature
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Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-(4(1<I>H</I>)-Pyridinylidene)-1H-indene-1,3(2<I>H</I>)-dione as an Impurity". Anal. Methods, 2012, 1597, 6824-6842.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4(1<I>H</I>)-Pyridinylidene)-1H-indene-1,3(2<I>H</I>)-dione Using HRMS and NMR". Talanta, 2021, 1975, (5), 6935-6951.