英文别名Atracurium Impurity 18; Cisatracurium Besilate EP Impurity R; 5-[3-[(1S)-1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl]propanoyloxy]pentyl 3-[(1R)-1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl]propanoate,oxalic acid; cis-Atracurium oxalate; 2(1H)-Isoquinolinepropanoic acid, 1-[(3,4-dimethoxyphenyl)methyl]-3,4-dihydro-6,7-dimethoxy-, 1,5-pentanediyl ester, ethanedioate (1:2); Pentane-1,5-diyl bis{3-[1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl]propanoate} ethanedioate (1:2); 1,5-Pentanediyl bis{3-[1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydro-2(1H)-isoquinolinyl]propanoate} ethanedioate (1:2); R-atracurium dioxalate 
