2,3,5,6-Tetrafluoropyridine

2,3,5,6-TETRAMETHYLPYRIDINE-4-CARBOXAMIDE

2,3,5,6-TETRAMETHYLACETOPHENONE

2,3,5,6-TETRAMETHYLBENZENESULFONYL CHLORIDE

2,3,5,6-TETRAMETHYLBENZYL CHLORIDE