发明人林芳,韩伟,唐晓军. "Method for the Synthesis of 3-Cyano-2-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 117771823 B, 授权公告日 2021-07-19.
发明人王建平,郭海燕,杨光. "A Process for Preparing High-Purity 3-Cyano-2-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 109759511 A, 授权公告日 2023-08-19.
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