1,3-BIS-(4-CHLORO-BENZYLOXY)-7,8,9,10-TETRAHYDRO-BENZO(C)CHROMEN-6-ONE

1,3-BIS(4-CHLOROPHENYL)-1H-PYRAZOLE-4-CARBALDEHYDE

1,3-BIS(4-NITROPHENOXY)PROPANE

1,3-BIS(TRICHLOROGERMYL)-9H-CARBAZOLE

1,3-DI-P-TOLYL-2-TRICHLOROMETHYL-PROPANE-1,3-DIONE

1,3-DI(4-TOLYL)-2,2-DIMETHYLPROPANOL

1,3-DIBROMO-2,4-IMIDAZOLIDINEDIONE

1,3-DICHLORO-2-[(2-CHLOROBENZYL)OXY]BENZENE

1,3,5,7,2,4,6,8-TETRAAZATETRAPHOSPHOCANE-2,4,6,8-TETROL 2,4,6,8-TETRAOXIDE

1,3,9-TRIMETHYL-1,9-DIHYDRO-PYRAZOLO(3,4-B)QUINOLIN-4-ONE

1,3-Dimethyl-4-phenyl-1H-pyrazolo[3,4-b]pyridin-6(7H)-one

1,3-DIMETHYL-7-PENTYL-3,7-DIHYDRO-1H-PURINE-2,6-DIONE

1,3-DIOCTYL-2-THIOUREA

1,3-DIOXO-2-P-TOLYL-2,3-DIHYDRO-1H-ISOINDOLE-5-CARBOXYLIC ACID HEPTYL ESTER

1,3-DIPROPYL-BENZENE