1) Oxfordshire 2) Relative of Cantab 
[chemical] An oxon is an organic compound derived from another chemical in which a phosphorus-sulfur bond in the parent chemical has been replaced by a phosphorus-oxygen bond in the derivative. Important examples of oxons can be found in the family of pesticides known as organophosphates. Some of these chemicals, such as chlorpyrifos, diazi...
Oxford
Oxfordshire.