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发明人孙丽萍,冯建国,林芳. "Method for the Synthesis of 2-Acetamido-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114773624 B, 授权公告日 2018-09-18.
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