Patent ID: 8262743

Claim:
A compound conforming to the structure of Formula (I): wherein R 1 is carbonyl or sulfonyl; R 3 is a substituent selected from the group consisting of —OR 4 , —NHR 4 , and —NR 4 R 4 ; wherein R 4 is selected from the group consisting of —R 5 —O—R 6 —R 7 and —R 6 —R 7 ; R 5 is alkyl or aryl; R 7 is hydrogen or alkyl; and R 6 is a divalent substituent selected from the group consisting of divalent oligomeric substituents comprising two or more divalent repeating units independently selected from repeating units conforming to the structure of Formula (V) wherein R 20 and R 21 are independently selected from the group consisting of hydrogen, alkyl, hydroxyalkyl, aryl, alkoxyalkyl, and aryloxyalkyl.