Chinese VX

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Chinese VX (CVX), also called EA-6043, is a very toxic nerve agent in the V-series. It is an organophosphate that disrupts the nervous system and is a structural isomer of VX and Russian VX. The IUPAC name is O-Butyl S-[2-(diethylamino)ethyl] methylphosphonothioate. Because of its danger, it is strictly regulated under international law.