Johnson M A, Davis P L, Stevens L M. "Method for the Synthesis of (R)-[1,3'-Bipyrrolidine]-2,2'-dione" [P]. US Patent, US 10424592 B2, 2024-06-26.
Johnson M A, Yamamoto T, Anderson J P. "A Process for Preparing High-Purity (R)-[1,3'-Bipyrrolidine]-2,2'-dione" [P]. US Patent, US 11874886 B2, 2025-11-15.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 2154, (9), 4453-4473.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2010, 473, (4), 946-973.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of (R)-[1,3'-Bipyrrolidine]-2,2'-dione Using HRMS and NMR". Anal. Chim. Acta, 2022, 105, (12), 3359-3378.