Kowalski A, Nielsen H, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3365548 A1, 2020-02-24.
发明人郭海燕,韩伟,刘建华. "Method for the Synthesis of 3-(Piperidin-4-ylidene)-2,3-dihydro-1H-indol-2-one" [P]. 中国发明专利, 专利号 CN 116408833 B, 授权公告日 2017-08-09.
发明人张德明,沈红梅,冯建国. "A Process for Preparing High-Purity 3-(Piperidin-4-ylidene)-2,3-dihydro-1H-indol-2-one" [P]. 中国发明专利, 专利号 CN 116554910 A, 授权公告日 2023-12-19.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2025, 644, (1), 9860-9889.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 1993, (4), 8446-8453.