Nielsen H, Kowalski A, Björnsson E. "Method for the Synthesis of Tert-butyl 6-chloro-3',6'-dihydro-[2,4'-bipyridine]-1'(2'H)-carboxylate" [P]. European Patent, EP 3939436 A1, 2023-09-03.
发明人马晓峰,罗永刚,郭海燕. "A Process for Preparing High-Purity Tert-butyl 6-chloro-3',6'-dihydro-[2,4'-bipyridine]-1'(2'H)-carboxylate" [P]. 中国发明专利, 专利号 CN 117932009 A, 授权公告日 2019-01-07.
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