发明人罗永刚,郑宇鹏,高志强. "Method for the Synthesis of 4-(2-Chlorophenyl)tetrahydro-2h-thiopyran-4-carboxylic acid 1,1-dioxide" [P]. 中国发明专利, 专利号 CN 108617591 A, 授权公告日 2015-01-04.
发明人黄志刚,罗永刚,冯建国. "A Process for Preparing High-Purity 4-(2-Chlorophenyl)tetrahydro-2h-thiopyran-4-carboxylic acid 1,1-dioxide" [P]. 中国发明专利, 专利号 CN 113767101 A, 授权公告日 2023-04-26.
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