发明人王建平,朱建伟,杨光. "Method for the Synthesis of 2-(Benzo[d]oxazol-2-ylthio)butanoic acid" [P]. 中国发明专利, 专利号 CN 108767888 B, 授权公告日 2022-01-10.
Park J H, Lee S K, Yamamoto T. "A Process for Preparing High-Purity 2-(Benzo[d]oxazol-2-ylthio)butanoic acid" [P]. US Patent, US 11177684 B2, 2020-03-17.
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