Park J H, Klinger H, Schröder R. "一种阿曲生坦杂质33的合成方法" [P]. US Patent, US 10634438 B2, 2021-07-27.
发明人赵玉洁,冯建国,孙丽萍. "Method for the Synthesis of Atrasentan Impurity 33" [P]. 中国发明专利, 专利号 CN 116457755 B, 授权公告日 2021-04-27.
发明人郭海燕,孙丽萍,陈志强. "A Process for Preparing High-Purity Atrasentan Impurity 33" [P]. 中国发明专利, 专利号 CN 113238770 B, 授权公告日 2022-06-25.
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