3, 4-Dimethylphosphole manganese tricarbonyl

3, 4-Dimethylpsoralen

3, 4-Dimethylpyridine adenine dinucleotide

3, 4-Dimethylquinoline

3, 4-Dimethylstyrene oxide

3, 4-Dimethylthiophene

3, 4-Dimethylvaleraldehyde

3, 4-Dinitrobenzyl alcohol

3, 4-Dinitrofluoranthene

3, 4-Dinitrophenyl tetra-N-acetyl-beta-chitotetraoside

3, 4-Dinitrophenyl-beta-galactopyranoside

3, 4-Dinitrophenyl-N-acetylglucosaminide

3, 4-Dioxyephedrine hydrochloride

3, 4-Dioxymethylenebenzylidene-p-chlorophenylacetonitrile

3, 4-Dioxymethylenebenzylidenephenylacetonitrile

3, 4-Diphenyl-1, 2, 3lambda(5)-oxadiazol-5-amine

3, 4-Diphenyl-1, 2lambda(5), 5-oxadiazol-2-ol

3, 4-Diphenyl-1H-pyrazole-1-propanamine

3, 4-Diphenyl-2-furoic acid

3, 4-Diphenyltetrahydrofuran