DL-3,4-Difluorophenylalanine

3',4'-DIFLUOROPROPIOPHENONE

3,4-DIHYDRO-2H-1,5-BENZODIOXEPIN-7-YLMETHANOL

3,4-Dihydroxybenzophenone

(3,4-Dimethoxyphenyl)acetonitrile

3,4-Dimethyl-4-thiazoline-2-thione