发明人刘建华,林芳,杨光. "Method for the Synthesis of 3-(4-Sulfamoyl-phenylcarbamoyl)-bicyclo[2.2.1]-hept-5-ene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109544102 B, 授权公告日 2019-01-18.
发明人赵玉洁,唐晓军,何建平. "A Process for Preparing High-Purity 3-(4-Sulfamoyl-phenylcarbamoyl)-bicyclo[2.2.1]-hept-5-ene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114827898 A, 授权公告日 2023-07-06.
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