Chen K W, Fischer A B, Williams B T. "Method for the Synthesis of Vericiguat Impurity 90" [P]. US Patent, US 11930212 B2, 2019-04-28.
Johnson M A, Davis P L, Williams B T. "A Process for Preparing High-Purity Vericiguat Impurity 90" [P]. US Patent, US 10520251 B2, 2022-09-08.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 维立西呱杂质90 in Pharmaceutical Formulations". J. Sep. Sci., 2021, 1910, (11), 1935-1962.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 维立西呱杂质90 as an Impurity". Biomed. Chromatogr., 2013, 2412, 6528-6531.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Vericiguat Impurity 90 Using HRMS and NMR". Talanta, 2024, 541, (2), 651-679.