Hughes D C, Kumar R, Lee S K. "Method for the Synthesis of 2-(1-(((9H-Fluoren-9-yl)methoxy)carbonyl)azetidin-3-yl)acetic acid" [P]. US Patent, US 11515588 B2, 2020-09-21.
Kumar R, Klinger H, Chen K W. "A Process for Preparing High-Purity 2-(1-(((9H-Fluoren-9-yl)methoxy)carbonyl)azetidin-3-yl)acetic acid" [P]. US Patent, US 9806161 B2, 2015-09-11.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2023, 823, (7), 3056-3077.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2020, 1761, 7645-7652.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(1-(((9H-Fluoren-9-yl)methoxy)carbonyl)azetidin-3-yl)acetic acid Using HRMS and NMR". Talanta, 2023, 1502, (12), 7762-7768.