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

四正庚基碘化铵, Tetra-n-pentylammonium iodide

四苯基溴化磷鎓, Tetraphenylphosphonium Bromide

四正丙基硫酸氢铵, Tetra-n-propylammonium hydrogen sulfate

四唑紫, Tetrazolium Violet

氟化铊(I), Thallium(I) fluoride

1,2,3-噻二唑-4-乙二醛, 1,2,3-Thiadiazole-4-carboxaldehyde

噻唑-2-羧酸, Thiazole-2-carboxylic acid