发明人林芳,钱学锋,王建平. "Method for the Synthesis of 5-Methoxy-4-methyl-2-nitrobenzonitrile" [P]. 中国发明专利, 专利号 CN 115767520 B, 授权公告日 2020-01-19.
发明人张德明,何建平,林芳. "A Process for Preparing High-Purity 5-Methoxy-4-methyl-2-nitrobenzonitrile" [P]. 中国发明专利, 专利号 CN 112546240 B, 授权公告日 2022-10-08.
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