发明人何建平,朱建伟,杨光. "Method for the Synthesis of 3-Nitro-4-(1-pyrrolidinyl)benzoic Acid" [P]. 中国发明专利, 专利号 CN 114288576 A, 授权公告日 2022-02-15.
Klinger H, Stevens L M, Williams B T. "A Process for Preparing High-Purity 3-Nitro-4-(1-pyrrolidinyl)benzoic Acid" [P]. US Patent, US 9851231 B2, 2025-09-13.
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