Patent ID: 8263238

Claim:
A compound represented by Formula 2B: wherein Ph 1 and Ph 2 are independently optionally substituted 1,4-interphenylene or optionally substituted 1,3-interphenylene; y and z are independently 0 or 1; R 9 and R 10 are independently H, C 1-3 alkyl, or C 1-3 perfluoroalkyl; and R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , R 19 , R 20 , R 21 , and R 22 are independently selected from the group consisting of H, C 1-12 alkyl, C 1-6 F 1-13 fluoroalkyl, and optionally substituted phenyl.