四甲基二硅氮烷, Tetramethyldisilazane

N,N,N',N'-四甲基亚甲二胺, N,N,N',N'-Tetramethylmethylenediamine

N,N,N',N'-四甲基对苯二胺二盐酸盐, N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride

2,2,5,5-四甲基-3-吡咯啉-1-氧基-3-羧酸 N-羟基琥珀酰酯, 2,2,5,5-Tetramethyl-3-pyrrolin-1-oxyl-3-carboxylic acid N-hydroxysuccinimide ester

四正辛基溴化铵, Tetra-n-octylammonium Bromide

四苯基氨化膦, Tetraphenylphosphine imide

四正丙基氯化铵, Tetra-n-propylammonium chloride

四硫富瓦烯, Tetrathiafulvalene

乙醇铊(I), Thallium(I) ethoxide

1-(2-噻吩甲酰)-3,3,3-三氟丙酮, 1-(2-Thenoyl)-3,3,3-trifluoroacetone