1,2-dibromo-4-(1,2-dibromo-1-methylethyl)-1-methylcyclohexane

1,2-DICHLORO-1,2-DIPHENYLETHANE

1,2-DICHLORO-4-IODO-HEPTAFLUORO-N-BUTANE

1,2-DIHEXYLOXY-4-NITROBENZENE

1,3-DI-THIOPHEN-2-YL-PROPENONE

1,3-dibenzyl-2-imidazolidinethione

1,3-Dibromo-2,2-dimethoxypropane

1,3-DIBROMO-5-PHENYL-ADAMANTANE

1,3-DICHLORO-9-FLUORENONE

1,3-Diethyl-1H-benzo[d]imidazol-2(3H)-one

1,3-Dihydro-2H-imidazol-2-one

1,2-DIPHENYL-3,5-PYRAZOLIDINEDIONE

1,2-DIPROPOXY-1,1,2,2-TETRAPHENYLDISILANE

1,2-O-ISOPROPYLIDENE-BETA-L-IDOFURANOSE

1,2,2-TRIS-(2,4,6-TRIMETHYL-PHENYL)-ETHENOL