Jørgensen K, Mueller T C, Martínez F. "一种的合成方法" [P]. European Patent, EP 3983450 A1, 2019-06-03.
Kowalski A, Nielsen H, Schröder R. "Method for the Synthesis of 2-((Dimethylamino)methylene)indolin-3-one" [P]. European Patent, EP 3455620 A1, 2016-12-20.
Yamamoto T, Klinger H, Thompson G K. "A Process for Preparing High-Purity 2-((Dimethylamino)methylene)indolin-3-one" [P]. US Patent, US 11589426 B2, 2025-09-28.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 1249, 1514-1526.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2012, 859, (12), 79-86.