There is provided a 3-substituted polypyrrole represented by the general formula (I)
wherein R is an alkyl group having 1 to 5 carbon atoms, m is an integer of from 1 to 20, and n is an integer of 2 or more.
There is provided a 3-substituted polypyrrole represented by the general formula (I) ##STR1## wherein R is an alkyl group having 1 to 5 carbon atoms, m is an integer of from 1 to 20, and n is an integer of 2 or more.