达罗他胺中间体合成中杂质的发现和结构表征
马卉芳,童悦,王荣繁,谢建伟

Discovery and Structural Characterization of Impurities in the Synthesis of Darolutamide Intermediate
MA Huifang,TONG Yue,WANG Rongfan,XIE Jianwei
图4 (a)化合物3和(b)杂质C1H-1H COSY谱图
Fig. 4 1H-1H COSY spectrum of compounds 3