发明人张德明,胡光,冯建国. "Method for the Synthesis of Methyl 2,3-dihydro-[1,4]dioxino[2,3-b]pyridine-8-carboxylate" [P]. 中国发明专利, 专利号 CN 111852140 B, 授权公告日 2015-01-15.
Johansson L, Rossi M, Nowak P. "A Process for Preparing High-Purity Methyl 2,3-dihydro-[1,4]dioxino[2,3-b]pyridine-8-carboxylate" [P]. European Patent, EP 3022161 A1, 2019-01-07.
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