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发明人刘建华,罗永刚,郭海燕. "Method for the Synthesis of tert-butyl (3S)-4-(5-bromo-6-chloro-pyridine-3-carbonyl)-3-methyl-piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 110957791 A, 授权公告日 2018-07-14.
发明人李文辉,陈志强,马晓峰. "A Process for Preparing High-Purity tert-butyl (3S)-4-(5-bromo-6-chloro-pyridine-3-carbonyl)-3-methyl-piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 115655822 B, 授权公告日 2022-07-18.
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