四甲撑,环丁烷

tetramethylene oxide; tetrahydrofuran {= THF}

tetramethylene glycol

poly(tetramethylene adipamide) fibre

tetramethylene sulfone【有化】

tetramethylene sulfide

tetramethylene phosphate

poly(tetramethylene terephthalate), poly(butylene terephthalate)

tetramethylene dibromide