1,4-DIMETHOXY-2-BUTYNE

1,4-DIMETHYLPIPERAZINE-2-CARBOHYDRAZIDE

1,4-DI-N-BUTYLBENZENE

1,4-DIOXA-7-THIASPIRO[4.4]NONANE

1,4-DIOXANE-2,3-DIOL

1,4-Diphenoxybenzene

1,4-DI-TERT-BUTYL-2,5-DIMETHOXYBENZENE

1,4-Divinylbenzene/4-vinlypyridine copolymer