发明人李文辉,郭海燕,张德明. "Method for the Synthesis of 7-Bromo-2-methylpyrido[2,3-b]pyrazine" [P]. 中国发明专利, 专利号 CN 114426493 B, 授权公告日 2016-05-22.
发明人沈红梅,林芳,赵玉洁. "A Process for Preparing High-Purity 7-Bromo-2-methylpyrido[2,3-b]pyrazine" [P]. 中国发明专利, 专利号 CN 108760289 A, 授权公告日 2021-10-12.
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