O'Brien P Q, Hughes D C, Johnson M A. "一种9-氧代-9,10-二氢吖啶-4-甲酸的合成方法" [P]. US Patent, US 11171131 B2, 2018-09-16.
Roberts E F, Lee S K, Hughes D C. "Method for the Synthesis of 9-Oxo-9,10-dihydroacridine-4-carboxylic Acid" [P]. US Patent, US 11036984 B2, 2021-02-16.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 9-氧代-9,10-二氢吖啶-4-甲酸 in Pharmaceutical Formulations". J. Sep. Sci., 2025, 1658, 2190-2208.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 9-氧代-9,10-二氢吖啶-4-甲酸 as an Impurity". Sci. Total Environ., 2020, 1344, 4135-4153.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 9-Oxo-9,10-dihydroacridine-4-carboxylic Acid Using HRMS and NMR". Molecules, 2012, 1643, (7), 83-89.