1,4-BIS(CHLOROACETYL)PIPERAZINE

1,4-BIS(TRIBENZYLSILYL)BENZENE

1,4-Cubanedicarboxylic acid

1,4-DIACETAMIDOANTHRAQUINONE

1,4-dibenzyl-2-piperazinone

1,4-DICHLORO-2,3,5,6-TETRAMETHYLBENZENE

1,4-DIHYDRO-1-(P-FLUOROBENZYL)-2-METHYLAMINO-4(4H)-QUINAZOLINONE

1,4-DIIODO-2,3,5,6-TETRACHLOROBENZENE

1,4-DIMETHYLHOMOPIPERAZINE

1,4-DIOXA-SPIRO(4.7)DODECANE

1,4-DIPHENYL-2,3,5,6-TETRACHLOROBENZENE

1,4,10,13-TETRAOXA-7,16-DISELENA-CYCLOOCTADECANE

1,4,5-Trimethyl-1,3-dihydro-2H-imidazol-2-one trifluoroacetate

1,4,5,6-4H-CYCLOPENTAPYRAZOLE-3-CARBOXYLIC ACID (2,4-DI-HO-BENZYLIDENE)HYDRAZIDE

1,4,5,6,7,7-HEXACHLORO-3-(N-(2,4-XYLYL)CARBAMOYL)-5-NORBORNENE-2-CARBOXYLIC ACID