2-(2-Carboxyethyl)-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-veratrylisoquinolinium benzenesulfonate, pentamethylene ester 33 A 74 64228-79-1 64228-81-5 ATRACURIUM Atracurii besilas [INN-Latin] Atracurium besilate Atracurium besylate Atracurium besylate [USAN:BAN] BW 33 A BW 33A Besilate d'atracurium [INN-French] Besilato de atracurio [INN-Spanish] EINECS 264-743-4 Isoquinolinium, 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-, dibenzenesulfonate Pentamethylen bis(3-(1,2,3,4-tetrahydro-6,7-dimethoxy-1-(3,4-dimethoxybenzyl)-2-methyl-2-isochinolyl)propionat) bis(benzolsulfonat) Tracrium