prov:value
| - ituted polyalkylaryleneoxide group, R1, R2, R3, R4, R5, R6, R7, R8, and R9 each, independently of the others, is (i) a hydrogen atom, (ii) a hydroxy group, (iii) an amino group of the formula ???NR10R11, wherein R10 and R11 each, independently of the others, is a hydrogen atom, an alkyl group as defined for R1, R2, R3, R4, R5, R6, R7, R8, and R9, an aryl group as defined for R1, R2, R3, R4, R5, R6
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