Yamamoto T, Roberts E F, Williams B T. "一种的合成方法" [P]. US Patent, US 10227419 B2, 2015-07-18.
发明人郑宇鹏,沈红梅,王建平. "Method for the Synthesis of 2-Chloro-4-ethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 117421959 A, 授权公告日 2024-07-05.
发明人唐晓军,罗永刚,马晓峰. "A Process for Preparing High-Purity 2-Chloro-4-ethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 114130937 B, 授权公告日 2022-08-10.
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