2-Bromo-1-(3,4-difluorophenyl)ethan-1-one

3',4'-DIFLUOROPROPIOPHENONE

3,4-DIHYDRO-2H-1,5-BENZODIOXEPINE-6-CARBONYL CHLORIDE

3,4-Dihydro-3,8-dimethyl-(2H)-1,3-benzoxazine

3,4-DIHYDROXYBENZHYDRAZIDE

Methyl 3,4-dihydroxybenzoate

3,4-DIMETHOXYBENZENESULFONYL CHLORIDE