发明人赵玉洁,郑宇鹏,林芳. "Method for the Synthesis of 2-Chloro-7,7-difluoro-6,7-dihydro-5H-cyclopenta[b]pyridine" [P]. 中国发明专利, 专利号 CN 113209101 B, 授权公告日 2017-08-24.
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