发明人张德明,钱学锋,郭海燕. "一种依帕司他杂质17的合成方法" [P]. 中国发明专利, 专利号 CN 115053420 A, 授权公告日 2025-09-22.
发明人沈红梅,赵玉洁,周伟. "Method for the Synthesis of Epalrestat Impurity 17" [P]. 中国发明专利, 专利号 CN 110011745 A, 授权公告日 2018-12-28.
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