64228-79-1 64228-81-5 Atracurium BRN 1523633 ISOQUINOLINIUM, 1,2,3,4-TETRAHYDRO-2,2'-(1,5-PENTANEDIYLBIS(OXY(3-OXO-3,1-PROPAN Isoquinolinium, 1,2,3,4-tetrahydro-2,2'-(1,5-pentanediylbis(oxy(3-oxo-3,1-propanediyl)))bis(1-((3,4-dimethoxyphenyl)methyl)-6,7-dimethoxy-2-methyl- 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-