发明人何建平,张德明,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116907731 A, 授权公告日 2017-07-01.
发明人沈红梅,李文辉,唐晓军. "Method for the Synthesis of 2-Chloro-5-methyl-5H-pyrrolo[2,3-b]pyrazine" [P]. 中国发明专利, 专利号 CN 112501755 A, 授权公告日 2020-02-12.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2010, 2039, (11), 9989-10000.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2012, 2115, (11), 7906-7910.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-5-methyl-5H-pyrrolo[2,3-b]pyrazine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2020, 346, 3721-3733.