Laudexium methylsulfate is a neuromuscular blocking agent or skeletal muscle relaxant and a nondepolarizing neuromuscular blocking agent.
References
[1] Gladych J M Z, et al. 281. Synthetic neuromuscular blocking agents. Part IV. Compounds related to both laudexium and suxamethonium[J]. Journal of the Chemical Society (Resumed), 1962: 1481-1487.