n :  either of two nonflammable irritating liquid isomeric compounds C₂H₃Cl₃:  a  or  1,1,1-trichloroethane   :  the isomer CH₃CCl₃ that is the parent compound of various insecticides (as DDT)  b  or  1,1,2-trichloroethane   :  the isomer CH₂ClCHCl₂ that is used chiefly as a solvent .
 
 
 
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