| http://www.w3.org/ns/prov#value | - The divalent group having an amine-bond unit may be exemplified by those represented by the formula ???R???NH???R??? wherein R is an alkylene group having 1 to 10 carbon atoms and the formula ???R???NH-Ph- wherein R is an alkylene group having 1 to 10 carbon atoms and Ph is an arylene group or a substituted arylene group having 1 to 12 carbon atoms.
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