英文别名Daclatasvir Impurity 38; Daclatasvir Impurity 5 (SRSS-Isomer); Daclatasvir Impurity 3; Daclatasvir Impurity 42; methyl ((S)-1-((R)-2-(5-(4'-(2-((S)-1-((methoxycarbonyl)-L-valyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-[1,1'-biphenyl]-4-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate; methyl ((S)-1-((S)-2-(5-(4'-(2-((R)-1-((methoxycarbonyl)-L-valyl)pyrrolidin-2-yl)-1H-imidazol-4-yl)-[1,1'-biphenyl]-4-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate; Daclatasvir impurity 2/Daclatasvir SRSS Isomer; Daclatasvir SSRS Isomer; Daclatasvir Impurity 1 (SRSS-Isomer); Dacatavir Impurity 1 (SRSS-isomer) 
