DIETHYL BIS(2-CYANOETHYL)MALONATE

4,4'-DICHLOROBUTYROPHENONE

4,4-Difluoropiperidine hydrochloride

4,4'-Dihydroxybenzophenone

Acetylacetaldehyde dimethyl acetal

4,4'-Dimethoxybenzophenone

4,4'-DIMETHOXY-N-METHYLDIPHENYLAMINE

4,4-DIMETHYL-2-VINYL-2-OXAZOLIN-5-ONE

4,4-DIMETHYL-3-THIOSEMICARBAZIDE