| http://www.w3.org/ns/prov#value | - Suitable first coreactants for reaction with the electrophilic core include polyalkylene polyamines such as ethylenediamine, diethylenetriamine, triethylenetetramine and other polyamines represented by the formula: ##STR21## wherein R1 and R2 independently represent hydrogen or an alkyl, preferably C1 -C4 alkyl, hydroxyalkyl, cyanoalkyl, or amido; n is at least 2 and preferably 2 to 6 and m is 2 t
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