四甲基碘化铵, Tetramethylammonium Iodide

3,3',5,5'-四甲基联苯胺 二盐酸盐, 3,3',5,5'-Tetramethylbenzidine dihydrochloride

2,3,4,5-四甲基-2-环戊烯酮, 2,3,4,5-Tetramethyl-2-cyclopentenone

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

N,N,N',N'-四甲基-O-(4-羰基-3,4-二氢-1,2,3-苯并三嗪-3-基)脲 四氟硼酸盐, N,N,N',N'-Tetramethyl-O-(4-oxo-3,4-dihydro-1,2,3-benzotriazin-3-yl)uronium tetrafluoroborate

2,2,6,6-四甲基-4-哌啶酮 一水合物, 2,2,6,6-Tetramethyl-4-piperidone monohydrate

2,4,6,8-四甲基-2,4,6,8-四乙烯基环四硅氧烷, 2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane

1,1,4,4-四苯基-1,3-丁二烯, 1,1,4,4-Tetraphenyl-1,3-butadiene

四苯基碘化磷鎓, Tetraphenylphosphonium Iodide

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