1,4-DIBENZOYL-1,4-DIBROMOBUTANE

1,4-DIBROMO-1,1,2,2-TETRAFLUOROBUTANE

1,4-DICYANO-2-(TRIFLUOROMETHOXY)BENZENE

1,4-DITHIANE-2-CARBONITRILE

1,4-Divinylbenzene/4-vinlypyridine copolymer

1,4-Divinylbenzene/4-vinlypyridine copolymer

1,4-NAPHTHOQUINONE-2-SULFONIC ACID,K

1,4-NAPHTHOQUINONE-2-SULFONIC ACID,K

1,4-PHENYLENEBIS(THIOUREA)