3,4-Dichlorobutyrophenone

3',4'-Difluoroacetophenone

3,4-DIFLUOROBENZOIC ACID HYDRAZIDE

3,4-Difluorophenylboronic acid

3,4-Difluorobenzyl bromide

3',4'-DIFLUOROPROPIOPHENONE

3,4-DIHYDRO-1,2-NAPHTHALENEDICARBOXYLIC ANHYDRIDE