发明人刘建华,孙丽萍,郑宇鹏. "Method for the Synthesis of 2-hydroxy-3-methoxy-4-nitrobenzaldehyde" [P]. 中国发明专利, 专利号 CN 116000390 A, 授权公告日 2015-08-04.
发明人赵玉洁,沈红梅,王建平. "A Process for Preparing High-Purity 2-hydroxy-3-methoxy-4-nitrobenzaldehyde" [P]. 中国发明专利, 专利号 CN 108374060 B, 授权公告日 2022-04-28.
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