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- ethanedioate (1:1);
bis[1-(3,4-diMethoxybenzyl)-3,4-dihydro-6,7-diMethoxy-1H-isoquinoline-2-propionate] dioxalate;
Pentamethylene bis[1-(3,4-dimethoxybenzyl)-3,4-dihydro-6,7-dimethoxy-1H-isoquinoline-2-propionate] dioxalate;
Atracurium oxalate;
N,N'-4,10-dioxa-3,11-dioxotridecylene-1,13-diyl-bis-(R)-(-)-tetrahydropapaverine dioxalate;
R-atracurium dioxalate;
2,2'-{1,5-Pentanediylbis[oxy(3-oxo-3,1-propanediyl)]}bis[1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolinium] oxalate;
1R,1R'-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-methylisoquinolinium] dioxalate;