3,4-DIFLUOROBENZOPHENONE

3,4-DIFLUOROMANDELIC ACID

3,4-DIFLUOROMANDELIC ACID

3,4-Difluorophenylacetic acid

3,4-DIHYDROXYBENZAMIDE

2,4-Dihydroxybenzoic acid

3,4-Dihydroxybenzophenone

3,4-Dimethoxy-3-cyclobutene-1,2-dione

ETHYL 3,4-DIMETHOXYPHENYLACETATE