Patent ID: 8748632

Claim:
A compound of Formula IV: wherein: X and X′ are each independently absent or are each independently O; y is 1; q is independently an integer selected from 0, 1, 2, 3, and 4; m is an integer selected from 0, 1, 2, and 3; W is independently selected from CH 2 , O, S, and NCH 3 ; R 1 is independently selected from hydrogen, halogen, cyano, nitro, unsubstituted C 1 -C 6 alkyl, perfluoroalkyl, —(CH 2 ) j OR 5 , —(CH 2 ) j C(O)OR 5 , and (CH 2 ) j C(O)NR 6 R 7 , wherein each j is 0; R 3 is independently selected from hydrogen, branched or unbranched alkyl, cycloalkyl, phenyl, benzyl and cycloalkylalkyl, wherein benzyl is optionally substituted with perfluoroalkoxy; and R 5 , R 6 , and R 7 are each independently selected from hydrogen branched or unbranched alkyl.