发明人郭海燕,钱学锋,徐明华. "Method for the Synthesis of (R)-4-Ethyl-3,4-dihydro-2H-benzo[b][1,4,5]oxathiazepine 1,1-dioxide" [P]. 中国发明专利, 专利号 CN 113761033 A, 授权公告日 2016-10-24.
发明人马晓峰,何建平,刘建华. "A Process for Preparing High-Purity (R)-4-Ethyl-3,4-dihydro-2H-benzo[b][1,4,5]oxathiazepine 1,1-dioxide" [P]. 中国发明专利, 专利号 CN 116989104 A, 授权公告日 2020-07-10.
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