发明人张德明,沈红梅,杨光. "Method for the Synthesis of 4-(5-Chlorothiophene-2-carbonyl)-3-methylpiperazin-2-one" [P]. 中国发明专利, 专利号 CN 110114551 B, 授权公告日 2023-09-09.
Martínez F, Björnsson E, Sørensen M. "A Process for Preparing High-Purity 4-(5-Chlorothiophene-2-carbonyl)-3-methylpiperazin-2-one" [P]. European Patent, EP 3635286 A1, 2017-05-09.
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