四环氧环硅氧烷, Tetrakisepoxy cyclosiloxane

四(三苯基膦)钯, Tetrakis(triphenylphosphine)palladium(0)

3,4,7,8-四甲氧基黄酮, 3',4',7,8-Tetramethoxyflavone

四甲基六氟磷酸铵, Tetramethylammonium Hexafluorophosphate

2,3,5,6-四甲基苯磺酰氯, 2,3,5,6-Tetramethylbenzenesulfonyl chloride

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

1,1,3,3-四甲基二甲硅醚, 1,1,3,3-Tetramethyldisiloxane

亚甲基二磷酸四甲酯, Tetramethyl methylenediphosphonate

四甲基溴化磷, Tetramethylphosphonium bromide

1,4,8,11-四甲基-1,4,8,11-四氮环十四烷, 1,4,8,11-Tetramethyl-1,4,8,11-tetraazacyclotetradecane