1,3-diphenyl-2(1H)-quinoxalinone

1,3-O-BENZYLIDENE-2,4,5-TRI-O-BENZOYL-D-ARABITOL

1,3-ADAMANTANEDIMETHANOL

1,3-BENZODIOXOLE-5-CARBALDEHYDE [4-(4-ETHOXYPHENYL)-1,3-THIAZOL-2-YL](PHENYL)HYDRAZONE HYDROBROMIDE

1,3,4,6,8,9-HEXACHLORO-PYRENE

1,3,5-Triisocyanato-2-methylbenzene

1,3,5-Tris[2-(vinyloxy)ethyl]-1,3,5-triazinane

1,3-BIS-(ALPHA-ME-BENZYLIDENE-AMINO)-GUANIDINE, HYDROGEN IODIDE

1,3-BIS-BROMOMETHYL-2-METHOXY-5-METHYL-BENZENE

1,3-BIS(2-METHOXY-5-METHYLPHENYL)TETRAHYDRO-2(1H)-PYRIMIDINONE

1,3-BIS(3-CYANOPHENYL)-2-THIOUREA

1,4-Bis[2-(4-pyridinyl)ethyl]piperazine

1,4-BIS-(2-BENZYLOXY-ETHYL)-PIPERAZINE

1,4-BIS-(4-CHLORO-3-METHYLPHENOXY)-TRANS-2-BUTENE

1,4-BIS-CHLOROMETHYL-2,3,5,6-TETRAMETHYL-BENZENE