英文别名N,N'-[[1,1'-Biphenyl]-4,4'-diylbis[1H-imidazole-5,2-diyl-2,1-pyrrolidinediyl[1-(1-methylethyl)-2-oxo-2,1-ethanediyl]]]biscarbamic acid C,C'-dimethyl ester stereoisomer; Daclatasvir RSSS Isomer; Daclatasvir Impurity 12; Daclatasvir Impurity 43; Daclatasvir Impurity; Daclatasvir Impurity 14 (RSSS-Isomer) 
