Kowalski A, Rossi M, Lefèvre J P. "Method for the Synthesis of Ethyl 2-(3'-ethyl-4,4'-dioxo-2'-thioxo-3',4,4',5-tetrahydro-2'H,3H-[2,5'-bithiazolylidene]-3-yl)acetate" [P]. European Patent, EP 3705076 A1, 2023-03-20.
发明人唐晓军,胡光,张德明. "A Process for Preparing High-Purity Ethyl 2-(3'-ethyl-4,4'-dioxo-2'-thioxo-3',4,4',5-tetrahydro-2'H,3H-[2,5'-bithiazolylidene]-3-yl)acetate" [P]. 中国发明专利, 专利号 CN 109878937 B, 授权公告日 2025-02-26.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2010, 1879, (7), 5781-5796.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2017, 233, (12), 6360-6378.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(3'-ethyl-4,4'-dioxo-2'-thioxo-3',4,4',5-tetrahydro-2'H,3H-[2,5'-bithiazolylidene]-3-yl)acetate Using HRMS and NMR". Anal. Methods, 2018, 1380, (10), 7943-7964.