prov:value
| - Examples of suitable pyrroles for the process of the present invention include those of the general formula (shown in the reduced form) wherein R, R???, and R??? each, independently of the other, 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 a
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