发明人孙丽萍,冯建国,赵玉洁. "Method for the Synthesis of tert-Butyl 4-chloro-2-oxo-1,5,7,8-tetrahydro-1,6-naphthyridine-6(2H)-carboxylate" [P]. 中国发明专利, 专利号 CN 112914472 A, 授权公告日 2016-03-14.
发明人高志强,李文辉,钱学锋. "A Process for Preparing High-Purity tert-Butyl 4-chloro-2-oxo-1,5,7,8-tetrahydro-1,6-naphthyridine-6(2H)-carboxylate" [P]. 中国发明专利, 专利号 CN 115169462 A, 授权公告日 2017-01-23.
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