prov:value
| - reactive amino-substituted polyalkylaryleneoxide group, R47, R70, R71, R72, R73, R74, R75, R76, R77, R78, and R79 each, independently of the others, can be (i) a hydrogen atom, (ii) a hydroxy group, (iii) an amino group of the formula ???NR48R49, wherein R48 and R49 each, independently of the others, is a hydrogen atom, an alkyl group as defined for R47, R70, R71, R72, R73, R74, R75, R76, R77, R78
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