发明人赵玉洁,胡光,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111968263 A, 授权公告日 2017-08-15.
发明人韩伟,唐晓军,周伟. "Method for the Synthesis of 1-{2-[(4-chlorophenyl)sulfanyl]phenyl}-2,5-dihydro-1H-pyrrole-2,5-dione" [P]. 中国发明专利, 专利号 CN 112912165 A, 授权公告日 2017-01-09.
发明人郑宇鹏,王建平,沈红梅. "A Process for Preparing High-Purity 1-{2-[(4-chlorophenyl)sulfanyl]phenyl}-2,5-dihydro-1H-pyrrole-2,5-dione" [P]. 中国发明专利, 专利号 CN 114867082 B, 授权公告日 2025-03-28.
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