Kowalski A, Schröder R, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3707613 A1, 2025-06-12.
发明人高志强,徐明华,刘建华. "Method for the Synthesis of 2-Amino-6-benzyl-7-methyl-4-(3-nitrophenyl)-5-oxo-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 108827816 A, 授权公告日 2021-03-19.
Kowalski A, Schröder R, Johansson L. "A Process for Preparing High-Purity 2-Amino-6-benzyl-7-methyl-4-(3-nitrophenyl)-5-oxo-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile" [P]. European Patent, EP 3500019 A1, 2023-04-01.
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