发明人高志强,何建平,马晓峰. "Method for the Synthesis of 4-(1,1-Dioxidothiomorpholino)benzoic acid" [P]. 中国发明专利, 专利号 CN 111767566 A, 授权公告日 2019-04-28.
发明人赵玉洁,何建平,林芳. "A Process for Preparing High-Purity 4-(1,1-Dioxidothiomorpholino)benzoic acid" [P]. 中国发明专利, 专利号 CN 108513204 B, 授权公告日 2019-01-19.
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