发明人何建平,高志强,陈志强. "Method for the Synthesis of 5-(Methylsulfonyl)benzo[d]oxazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 108452541 A, 授权公告日 2022-07-20.
O'Brien P Q, Anderson J P, Hughes D C. "A Process for Preparing High-Purity 5-(Methylsulfonyl)benzo[d]oxazol-2(3H)-one" [P]. US Patent, US 10343821 B2, 2020-08-01.
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