发明人胡光,高志强,张德明. "Method for the Synthesis of 3-(Thiomorpholine-4-sulfonyl)thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113406605 A, 授权公告日 2015-07-17.
发明人黄志刚,钱学锋,罗永刚. "A Process for Preparing High-Purity 3-(Thiomorpholine-4-sulfonyl)thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108794596 A, 授权公告日 2019-01-21.
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