发明人王建平,胡光,李文辉. "Method for the Synthesis of (S)-Ethyl 1-carbamothioyl-5-oxopyrrolidine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114054478 A, 授权公告日 2024-02-03.
发明人冯建国,沈红梅,唐晓军. "A Process for Preparing High-Purity (S)-Ethyl 1-carbamothioyl-5-oxopyrrolidine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110898538 A, 授权公告日 2025-05-17.
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