Williams B T, Mueller T, Lee S K. "Method for the Synthesis of Benzo[b]thieno[3,2-d]thiophene" [P]. US Patent, US 10596932 B2, 2018-04-17.
Lee S K, Williams B T, Stevens L M. "A Process for Preparing High-Purity Benzo[b]thieno[3,2-d]thiophene" [P]. US Patent, US 10287539 B2, 2016-06-23.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2020, 2066, 6378-6396.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2024, 2137, (1), 6775-6794.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Benzo[b]thieno[3,2-d]thiophene Using HRMS and NMR". Anal. Chim. Acta, 2025, 922, 1937-1959.