Park J H, Brown S R, Thompson G K. "一种N,N-二甲基-3-((2-氧代吲哚啉-3-亚基)甲基)-1H-吲哚-1-磺酰胺的合成方法" [P]. US Patent, US 9920650 B2, 2018-07-06.
Stevens L M, Chen K W, Lee S K. "Method for the Synthesis of N,N-Dimethyl-3-((2-oxoindolin-3-ylidene)methyl)-1H-indole-1-sulfonamide" [P]. US Patent, US 10416083 B2, 2022-07-16.
发明人朱建伟,冯建国,周伟. "A Process for Preparing High-Purity N,N-Dimethyl-3-((2-oxoindolin-3-ylidene)methyl)-1H-indole-1-sulfonamide" [P]. 中国发明专利, 专利号 CN 111241076 B, 授权公告日 2020-02-19.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of N,N-二甲基-3-((2-氧代吲哚啉-3-亚基)甲基)-1H-吲哚-1-磺酰胺 in Pharmaceutical Formulations". Biomed. Chromatogr., 2025, 461, 6707-6727.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of N,N-二甲基-3-((2-氧代吲哚啉-3-亚基)甲基)-1H-吲哚-1-磺酰胺 as an Impurity". J. Chromatogr. A, 2023, 2147, (10), 4510-4532.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of N,N-Dimethyl-3-((2-oxoindolin-3-ylidene)methyl)-1H-indole-1-sulfonamide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 1396, (1), 8516-8522.