发明人高志强,孙丽萍,冯建国. "Method for the Synthesis of N-butyl-6-chloro-N-ethylpyrazin-2-amine" [P]. 中国发明专利, 专利号 CN 112138153 B, 授权公告日 2021-06-28.
Brown S R, Thompson G K, Fischer A B. "A Process for Preparing High-Purity N-butyl-6-chloro-N-ethylpyrazin-2-amine" [P]. US Patent, US 11248014 B2, 2020-07-05.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2011, 1968, 6928-6955.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2011, 2217, 3607-3626.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of N-butyl-6-chloro-N-ethylpyrazin-2-amine Using HRMS and NMR". Chemosphere, 2014, 1234, 9262-9267.