0 Cis-Attacurium besylate CAS 96946-42-8 In APIs, Pharmaceutical Chemicals, Products 96946-42-8,Cis-Attacurium besylate,(1R,1’R,2R,2’R)-2,2′-[1,5-Pentanediylbis[oxy(3-oxo-3,1-propanediyl)]]bis[1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-isoquinolinium dibenzenesulfonate