发明人高志强,杨光,郭海燕. "Method for the Synthesis of Ethyl 4-((2-ethoxyphenyl)carbamoyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 115384989 B, 授权公告日 2021-01-26.
发明人何建平,朱建伟,马晓峰. "A Process for Preparing High-Purity Ethyl 4-((2-ethoxyphenyl)carbamoyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111742564 B, 授权公告日 2025-01-16.
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