Dimethyl(trifluoromethylthio)arsine is an arsenical compound developed by the United States military chemical weapon research program, which is described as "one of the most potent lung irritants known."

See also Cacodyl Cacodyl cyanide Diphenylchlorarsine Lewisite Methyldichloroarsine Bis(trifluoromethyl) disulfide

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