Schröder R, Lefèvre J P, Nowak P. "Method for the Synthesis of 2-Hydroxy-2-(3-nitrophenyl)acetic acid" [P]. European Patent, EP 3497345 A1, 2019-09-26.
Klinger H, Schröder R, Anderson J P. "A Process for Preparing High-Purity 2-Hydroxy-2-(3-nitrophenyl)acetic acid" [P]. US Patent, US 9477740 B2, 2022-12-09.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2023, 2022, 3533-3538.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 1759, 2866-2879.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-Hydroxy-2-(3-nitrophenyl)acetic acid Using HRMS and NMR". Anal. Chim. Acta, 2013, 610, (9), 3862-3878.