发明人韩伟,徐明华,杨光. "Method for the Synthesis of 2-(5-(4-Chlorophenyl)-2-oxopyrazin-1(2H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 114119681 A, 授权公告日 2020-07-11.
发明人杨光,何建平,朱建伟. "A Process for Preparing High-Purity 2-(5-(4-Chlorophenyl)-2-oxopyrazin-1(2H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 115722559 A, 授权公告日 2021-06-09.
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