发明人赵玉洁,钱学锋,唐晓军. "Method for the Synthesis of 1-[2-nitro-4-(piperidine-1-sulfonyl)phenyl]piperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111483309 B, 授权公告日 2022-11-23.
发明人唐晓军,孙丽萍,陈志强. "A Process for Preparing High-Purity 1-[2-nitro-4-(piperidine-1-sulfonyl)phenyl]piperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115164119 A, 授权公告日 2019-09-09.
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