
Disulfoton is an organophosphate acetylcholinesterase inhibitor used as an insecticide. It is manufactured under the name Di-Syston by Bayer CropScience. The use of the substance has been restricted by the US government. Bayer, the manufacturer, exited the US market December 31, 2009. ...
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http://en.wikipedia.org/wiki/Disulfoton

<chemical> An organothiophosphate insecticide. ... Pharmacological action: insecticide, organothiophosphate. ... Chemical name: Phosphorodithioic acid, O,O-diethyl S-(2-(ethylthio)ethyl) ester ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973

a pale-yellow, highly toxic liquid, CHOPS, used as an insecticide and miticide.
Found on
https://www.infoplease.com/dictionary/disulfoton
No exact match found.