发明人韩伟,刘建华,郭海燕. "Method for the Synthesis of Ethyl 1-((2-(methoxycarbonyl)-4-methylthiophen-3-yl)carbamothioyl)piperidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113509703 B, 授权公告日 2025-08-09.
发明人马晓峰,唐晓军,孙丽萍. "A Process for Preparing High-Purity Ethyl 1-((2-(methoxycarbonyl)-4-methylthiophen-3-yl)carbamothioyl)piperidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113808523 B, 授权公告日 2025-07-16.
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