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-,(1R,1'R,2R,2'R)-, dibenzenesulfonate,AG00IJVM,Larger Pack sizes might be available, please contact info@phscientific.com to check