| http://www.w3.org/ns/prov#value | - In another preferred meaning, the radicals R1, R2, R3, R4, R5 and R6 are a total of 1-50 times, more preferably 2-30 times and in particular 4-10 times, independently both terminally and pendently aminoalkyl or hydroxyalkyl and the other variables are as defined above.
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