Schröder R, Mueller T C, Johansson L. "一种5-氰基-6-羟基烟酸的合成方法" [P]. European Patent, EP 3963384 A1, 2017-09-07.
Mueller T, Johnson M A, Klinger H. "Method for the Synthesis of 5-Cyano-6-hydroxynicotinic Acid" [P]. US Patent, US 9240022 B2, 2016-04-22.
发明人郭海燕,高志强,胡光. "A Process for Preparing High-Purity 5-Cyano-6-hydroxynicotinic Acid" [P]. 中国发明专利, 专利号 CN 117394119 B, 授权公告日 2017-04-21.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 5-氰基-6-羟基烟酸 in Pharmaceutical Formulations". Talanta, 2021, 289, (4), 1735-1741.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-氰基-6-羟基烟酸 as an Impurity". Rapid Commun. Mass Spectrom., 2017, 156, (3), 9040-9054.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-Cyano-6-hydroxynicotinic Acid Using HRMS and NMR". Anal. Chem., 2020, 1290, 9716-9741.