N,N,3,5-四甲基苯胺, N,N,3,5-Tetramethylaniline

四甲基环丁烷-1,3-二酮, Tetramethylcyclobutane-1,3-dione

1,1,3,3-四甲基胍, 1,1,3,3-Tetramethylguanidine

3,4,7,8-四甲基-1,10-邻二氮杂菲, 3,4,7,8-Tetramethyl-1,10-phenanthroline

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

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

内消旋-四苯基扑吩, meso-Tetraphenylporphine

内消旋-四(磺酸苯基)四钠盐十二水合物, Tetrasodium meso-tetra(sulfonatophenyl)porphine dodecahydrate

氟化铊(I), Thallium(I) fluoride

维生素B1盐酸盐(硫胺素盐酸盐), Thiamine hydrochloride

2,4-噻唑烷二酮, 2,4-Thiazolidinedione

3-(2-噻吩基)-L-丙氨酸, 3-(2-Thienyl)-L-alanine

硫代乙酰胺, Thioacetamide

硫代二甘醇酸酐, Thiodiglycolic anhydride

2-萘硫酚, 2-Thionaphthol