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发明人何建平,李文辉,张德明. "Method for the Synthesis of 1-{3-nitro-4-[(E)-2-[(3-nitrophenyl)methylidene]hydrazin-1-yl]benzenesulfonyl}piperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116429832 B, 授权公告日 2022-03-14.
发明人韩伟,朱建伟,赵玉洁. "A Process for Preparing High-Purity 1-{3-nitro-4-[(E)-2-[(3-nitrophenyl)methylidene]hydrazin-1-yl]benzenesulfonyl}piperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109619701 B, 授权公告日 2025-04-12.
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