发明人何建平,黄志刚,郭海燕. "一种恩格列净杂质231的合成方法" [P]. 中国发明专利, 专利号 CN 116735482 A, 授权公告日 2022-02-02.
发明人黄志刚,胡光,何建平. "Method for the Synthesis of Empagliflozin impurity 231" [P]. 中国发明专利, 专利号 CN 113958749 B, 授权公告日 2015-05-07.
发明人罗永刚,沈红梅,徐明华. "A Process for Preparing High-Purity Empagliflozin impurity 231" [P]. 中国发明专利, 专利号 CN 113031130 B, 授权公告日 2016-08-26.
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