1,3-Dimethyl-2-imidazolidinone

DIMETHYLPROPYLENE UREA

1,3-Dimethyl-5-pyrazolone

1,3-Dimethyladamantane

1,3-DIBUTYL-1,1,3,3-TETRAMETHYLDISILAZANE

1,3-DIPHENYL-1-BUTANONE

3,5-DIPHENYLPYRAZOLE

1,3-DIPHENYL-1,1,3,3-TETRAMETHYLDISILOXANE

N,N'-DI-TERT-BUTYLCARBODIIMIDE

1,3-DITHIOLANE-1,1,3,3-TETRAOXIDE