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发明人高志强,何建平,胡光. "Method for the Synthesis of 2-Amino-4-(4-fluorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 117739043 B, 授权公告日 2025-10-19.
发明人刘建华,林芳,王建平. "A Process for Preparing High-Purity 2-Amino-4-(4-fluorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 116829320 A, 授权公告日 2024-06-20.
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