发明人张德明,朱建伟,罗永刚. "Method for the Synthesis of 2,3-Difluoro-5-methylbenzonitrile" [P]. 中国发明专利, 专利号 CN 113342182 B, 授权公告日 2017-08-17.
发明人张德明,周伟,赵玉洁. "A Process for Preparing High-Purity 2,3-Difluoro-5-methylbenzonitrile" [P]. 中国发明专利, 专利号 CN 108048905 B, 授权公告日 2025-10-01.
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