Mueller T, Fischer A B, Johnson M A. "Method for the Synthesis of Perindopril Impurity 117" [P]. US Patent, US 10932372 B2, 2024-10-26.
Schröder R, Roberts E F, Fischer A B. "A Process for Preparing High-Purity Perindopril Impurity 117" [P]. US Patent, US 10534737 B2, 2024-09-15.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 培哚普利杂质117 in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 2121, 5464-5477.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 培哚普利杂质117 as an Impurity". J. Nat. Prod., 2014, 352, (2), 293-297.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Perindopril Impurity 117 Using HRMS and NMR". J. Chromatogr. A, 2011, 1044, 387-393.