The stuff smelled like a mixture of spirits of ammonia and butyl mercaptan, but it did the job.
"And butyl mercaptan; I'm quite aware of that," said the Doctor quickly, to continue the tradition of omniscience.
There are also higher alcohols, that is, those having more complex chemical formulas, such as butyl alcohol.
It has the characteristic odour of the flowers, and consists of a mixture of butyl and amyl angelates and valerates.
butyl bu·tyl (byōōt'l)
A hydrocarbon radical, C4H9.