英文别名Atracurium Impurity 25 Besylate; Cisatracurium quaternary ammonium salt; Atracurium Impurity 48; Cisatracurium Besilate Impurity 24; Cisquaternary Ammonium Salt; ((1R,2R)-2-(3-(tert-butoxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium benzenesulfonate)