Flaxedil - Gallamine triethiodide

When the neuromuscular-blocking activity of the supposed bis-quatemary (+)-tubocurarine and related compounds, in which the two nitrogens are situated at a distance of ca. 10 A from each other, came to be determined, it appeared that members of the bis-quaternary series were more active than the mono-quaternary derivatives and that 0-methylation also increased activity. Among the earlier synthetic compounds produced was gallamine triethiodide or flaxedil (15), which, although rather less active than tubocurarine, was subsequently introduced into... 

B,3EtI [65-29-2]. Gallamine triethiodide, USAN, INN. Benzcurine iodide. Flaxedil. Relaxan. Retensin. Numerous proprietary names... 

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