O

Diethylnitrosamine; dimethylsulfate; 1,2-dimethylhydrazine

Benzidine; 1-(4-methoxyphenyl)-1,3-dimethyltriazene

1/2® Allyl methanesulfonate; 2 lasiocarpine; safrole

Benzyl chloride; 7,12-dimethylbenz(a)anthracene

Formaldehyde; hexamethylphosphoramide

Acrylates; arecoline; cyclophosphamide; diallate; ptaquiloside

Benzoyl chloride; dimethylcarbamyl chloride

Carbon tetrachloride; 7,12-dimethylbenz(a)anthracene

Carbene

Aziridinium ions

Iminium ions

Carbon tetrachloride; safrole

Aziridine; cyclophosphamide; nitrogen mustard

Hexamethylmelamine; 2 bis-(morpholino)-methane;

hycanthone

(Continued)

Table 1. {Continued)

Electrophilic species

Structures

Examples of carcinogens

Arylnitrenium ions

Nitrogen-centered free radicals or radicals cations

Epoxides

Oxonium ions (a-haloethers)

Peroxy free radicals

Episulfonium ions

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