发明人韩伟,刘建华,郭海燕. "Method for the Synthesis of Methyl 2-amino-4-(2-fluorophenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116015751 A, 授权公告日 2020-02-01.
发明人黄志刚,郑宇鹏,周伟. "A Process for Preparing High-Purity Methyl 2-amino-4-(2-fluorophenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108151854 B, 授权公告日 2025-08-06.
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