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

3,4-Dimethoxyphenylboronic acid

3,4-DIMETHOXYBENZHYDRAZIDE

3,4-DIMETHOXYPHENYL ISOTHIOCYANATE

(3,4-Dimethoxyphenyl)acetonitrile

2,4-dihydro-4,5-dimethyl-2-phenyl-3H-pyrazol-3-one

3',4'-DIMETHYLACETANILIDE

3,4-Dimethylbenzophenone

3,4-Dimethylphenylhydrazine hydrochloride

3,4-Dimethylphenylhydrazine hydrochloride