Jørgensen K, Björnsson E, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3456402 A1, 2015-07-16.
Williams B T, Yamamoto T, Schröder R. "Method for the Synthesis of 2-(2-Nitrophenyl)-2-ureidoacetic acid" [P]. US Patent, US 11991309 B2, 2017-04-12.
Johansson L, Martínez F, Jørgensen K. "A Process for Preparing High-Purity 2-(2-Nitrophenyl)-2-ureidoacetic acid" [P]. European Patent, EP 3822077 A1, 2023-10-23.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2011, 1378, (2), 748-763.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2011, 1619, (4), 271-275.