英文别名(1R,2R)-2-(2-Carboxyethyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolinium besylate; Atracurium Besylate Impurity A; Cisatracurium Besilate EP Impurity A Besylate; (R-cis-N-Methyl-N-Alkyl-(Acid)-tetrahydropapaverine) besylate 
