| http://www.w3.org/ns/prov#value | - Such classes include the quaternary heteronium compounds such as cetyl pyridinium chloride and polymeric quaternary ammonium compounds of the general formula: ##STR1## wherein R1 and R2 are selected from an alkyl group, an alkyl ether group and a hydroxyalkyl group each containing from 1 to 3 carbon atoms, R3 is an alkyl group containing from 6 to 20 carbon atoms, and R4 is selected from an alkyl
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