prov:value
| - loxy, arylalkyloxy or pyridine group, or R3 and R4 are bonded together to form a piperidine group, R2 is a hydroxylamino, hydroxyl, amino, alkylamino, dialkylamino or alkyloxy group and n is an integer from about 4 to about 8. [0110] In a particular embodiment of formula 2, each of R3 and R4 are independently the same as or different from each other and are a hydrogen atom, a hydroxyl group, a sub
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