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DIMETHYLTHEXYLSILYL CHLORIDE 4-(Chloromethyl)benzoic acid 2-(Trifluoromethyl)benzaldehyde p-Tolualdehyde 3-(Trifluoromethyl)benzaldehyde tert-Butyldimethylsilyl chloride Chloromethyl methyl ether 2,5-DICHLOROTEREPHTHALIC ACID 5-CHLORO-2-HYDROXY-4-METHYLBENZOPHENONE 5'-CHLORO-2'-HYDROXY-4'-METHYLACETOPHENONE