1,2,2,2-TETRAFLUOROETHYL TRIFLUOROMETHYL ETHER

1,2,3,4,5-PENTACHLORO-6-IODOBENZENE

1,2,3,4,5-PENTAPHENYL-1,3-CYCLOPENTADIENE

1,2,3,5-Tetrafluorobenzene

1,2,3,5-TETRAMETHYLBENZENE

1,2,3-BENZOTHIADIAZOLE-5-CARBOXYLIC ACID

1,2,3-THIADIAZOLE-4-CARBOXAMIDE

1,2,3-TRIPHENYLCYCLOPROPENE