Johansson L, Björnsson E, Schröder R. "一种4-(乙基-1-<SUP>13</SUP>C)苯甲酸的合成方法" [P]. European Patent, EP 3808318 A1, 2025-04-02.
Williams B T, Hughes D C, Roberts E F. "Method for the Synthesis of 286367-70-2
4-(Ethyl-1-13C)benzoic acid
4-(Ethyl-2-13C)benzoic acid" [P]. US Patent, US 10001387 B2, 2018-11-20.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(乙基-1-<SUP>13</SUP>C)苯甲酸 in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 750, (3), 7774-7798.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(乙基-1-<SUP>13</SUP>C)苯甲酸 as an Impurity". Rapid Commun. Mass Spectrom., 2012, 560, 1747-1757.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 286367-70-2
4-(Ethyl-1-13C)benzoic acid
4-(Ethyl-2-13C)benzoic acid Using HRMS and NMR". J. Sep. Sci., 2020, 1468, (10), 7948-7961.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 4-(乙基-1-<SUP>13</SUP>C)苯甲酸 Profile in Drug Substances According to ICH Guidelines". Talanta, 2020, 1264, 7231-7246.