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a,a,a,a',a',a'-Hexafluoro-3,5-xylidine
a,a'-Dimethoxy-a,a,a',a'-tetraphenyl-p-xylene
a,a,a,a,a,a-Hexafluoro-P-Xylene 97%
a a-Dibromo-a a a a-Tetraphenyl-P-Xylene 95%
a,a,a,a',a',a'-Hexafluoro-m-xylene 98% _x000D__x000D_
a,a,a,a-Tetramethyl-1,4-Benzenedimethanol_x000D__x000D_
a,a,a-Trifluoroacetophenone 98%
a,a,a',a'-Tetrabromo-o-xylene 97%
a,a,a',a'-Tetrabromo-m-xylene 95%