| http://www.w3.org/ns/prov#value | - Thereafter, a poly(3,4-ethylenedioxythiophene), which, in its reduced form is of the formula wherein each of R1, R2, R3, and R4, independently of the others, is a hydrogen atom, an alkyl group, including linear, branched, saturated, unsaturated, cyclic, and substituted alkyl groups, typically with from 1 to about 20 carbon atoms and preferably with from 1 to about 16 carbon atoms, although the num
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