发明人孙丽萍,赵玉洁,郭海燕. "Method for the Synthesis of 2-[(2,4-difluorophenyl)sulfanyl]-2-phenylacetic acid" [P]. 中国发明专利, 专利号 CN 115991023 B, 授权公告日 2017-06-04.
发明人钱学锋,唐晓军,朱建伟. "A Process for Preparing High-Purity 2-[(2,4-difluorophenyl)sulfanyl]-2-phenylacetic acid" [P]. 中国发明专利, 专利号 CN 111787985 A, 授权公告日 2020-08-18.
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