<unk>  is a deadly carbamate nerve agent. It is lethal because it inhibits acetylcholinesterase. Inhibition causes an overly high accumulation of acetylcholine between the nerve and muscle cells. This paralyzes the muscles by preventing their relaxation. The paralyzed muscles includes the muscles used for breathing. Patent assigned to US Army for<unk>  among other similar nerve agents was filed in December 7, 1967.
EA-4056
RVT-802
EA-3990
CX-516
ORG-2058
AVN-101
AVN-211
LY-379,268