发明人罗永刚,冯建国,徐明华. "Method for the Synthesis of 4-Cyclopropoxy-5-(methylcarbamoyl)picolinic acid" [P]. 中国发明专利, 专利号 CN 117767029 B, 授权公告日 2023-12-16.
发明人高志强,罗永刚,冯建国. "A Process for Preparing High-Purity 4-Cyclopropoxy-5-(methylcarbamoyl)picolinic acid" [P]. 中国发明专利, 专利号 CN 112935640 B, 授权公告日 2020-06-17.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2020, 961, 6507-6511.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2013, 2410, 1231-1248.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyclopropoxy-5-(methylcarbamoyl)picolinic acid Using HRMS and NMR". Sci. Total Environ., 2016, 520, 3949-3963.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2012, 1312, 5389-5397.