3,3',5,5'-四甲基联苯胺, 3,3',5,5'-Tetramethylbenzidine

四甲基环戊二烯, Tetramethylcyclopentadiene

四亚甲基双(三苯基溴化磷鎓), Tetramethylenebis(triphenylphosphonium bromide)

原碳酸四甲酯, Tetramethyl Orthocarbonate

2,2,6,6-四甲基哌啶, 2,2,6,6-Tetramethylpiperidine

5,5,8,8-四甲基-5,6,7,8-四氢萘-2-硼酸, 5,5,8,8-Tetramethyl-5,6,7,8-tetrahydronaphthalene-2-boronic acid

N,N,N',N'-四苯基联苯胺, N,N,N',N'-Tetraphenylbenzidine

四苯基氯化磷, Tetraphenylphosphonium Chloride

四正丙基氢氧化铵, Tetra-n-propylammonium hydroxide

4-(1H-四唑基)苯甲醛, 4-(1H-Tetrazol-5-yl)benzaldehyde

六氟(V)磷酸铊(I), Thallium(I) hexafluorophosphate(V)

1,2,3-噻二唑-4-羧酸, 1,2,3-Thiadiazole-4-carboxylic acid

噻唑烷, Thiazolidine

4-(2-噻唑基)苯酚, 4-(2-Thiazolyl)phenol

4-(2-噻吩基)苯磺酰氯, 4-(2-Thienyl)benzenesulfonyl chloride