发明人黄志刚,林芳,孙丽萍. "一种多替诺雷杂质181的合成方法" [P]. 中国发明专利, 专利号 CN 108326936 A, 授权公告日 2023-09-05.
发明人郭海燕,高志强,何建平. "Method for the Synthesis of Dotinurad Impurity 181" [P]. 中国发明专利, 专利号 CN 113108757 B, 授权公告日 2016-04-24.
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