Chen K W, Thompson G K, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9772799 B2, 2019-04-11.
发明人林芳,郑宇鹏,钱学锋. "Method for the Synthesis of Methyl (2S,3S)-2,3-dimethyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 117033325 B, 授权公告日 2021-09-04.
发明人王建平,唐晓军,杨光. "A Process for Preparing High-Purity Methyl (2S,3S)-2,3-dimethyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 112564214 A, 授权公告日 2021-08-01.
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