1,3-DICHLOROTETRAFLUOROBENZENE

1,3-DIFLUOROTETRACHLOROACETONE

1,3-DIMETHOXY-5-(2-NITROPROP-1-ENYL)BENZENE

1,3-DIMETHYL-1H-PYRAZOLE-5-CARBALDEHYDE

1,3-Dimethyl-2-(phenylazo)-imidazolium perchlorate

1,3-DIMETHYL-5-MORPHOLINO-1H-PYRAZOLE-4-CARBALDEHYDE

1,3-DIMETHYL-5-MORPHOLINO-1H-PYRAZOLE-4-CARBALDEHYDE

1,3-Dimethyl-5-pyrazolone