Roberts E F, Stevens L M, Patel M V. "一种4-氯-5H-吡咯并[3,2-d]嘧啶-7-羧酸的合成方法" [P]. US Patent, US 10130691 B2, 2021-01-17.
Rossi M, Björnsson E, Mueller T C. "Method for the Synthesis of 4-chloro-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid" [P]. European Patent, EP 3177151 A1, 2018-01-23.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氯-5H-吡咯并[3,2-d]嘧啶-7-羧酸 in Pharmaceutical Formulations". Talanta, 2014, 472, (3), 6878-6887.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氯-5H-吡咯并[3,2-d]嘧啶-7-羧酸 as an Impurity". Molecules, 2012, 2147, 656-673.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 4-chloro-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid Using HRMS and NMR". Phytochemistry, 2010, 208, (4), 8986-9015.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate 4-氯-5H-吡咯并[3,2-d]嘧啶-7-羧酸 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2021, 1247, (12), 5973-5981.