1-(2,4-difluorophenyl)-4-(4,4,5,5-tetramethyl-1,3,
1-(3,5-difluorophenyl)-4-(4,4,5,5-tetramethyl-1,3,
1-(3-fluoro-4-methylphenyl)-4-(4,4,5,5-tetramethyl
1-(4-chloro-2-fluorophenyl)-4-(4,4,5,5-tetramethyl
1-(2,4-dichlorophenyl)-4-(4,4,5,5-tetramethyl-1,3,
1-(3,4-dichlorophenyl)-4-(4,4,5,5-tetramethyl-1,3,
1-(2-bromo-4-chlorophenyl)-4-(4,4,5,5-tetramethyl-
1-(4,5-dichloro-2-nitrophenyl)-4-(4,4,5,5-tetramet
methyl 2-chloro-5-(4-(4,4,5,5-tetramethyl-1,3,2-di
2-chloro-5-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaboro
1-(2,4-dichloro-5-methylphenyl)-4-(4,4,5,5-tetrame
methyl 2,4-dichloro-5-(4-(4,4,5,5-tetramethyl-1,3,