| 摘要 |
The invention relates to a hydroxy-aromatic compound of formula (I): Formula (I) wherein: at least one of the set consisting of R1, R 3, and R5 is a group of formula (II); any remaining one or two of the set consisting of R1, R3, and R 5 being H, OH, a C1-C12 alkyl group or an oligomeric or polymeric system; R2 and R4 are H, OH, a C1-C12 alkyl group or an oligomeric or polymeric system; formula (II) is the following group: formula (II) wherein EWG is an electron-withdrawing group.
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