butyl

"And butyl mercaptan; I'm quite aware of that," said the Doctor quickly, to continue the tradition of omniscience.

It has the characteristic odour of the flowers, and consists of a mixture of butyl and amyl angelates and valerates.

True, it smelled like an ancient Earth-animal called skunk—butyl mercaptan.

The musk deer may now be saved from extinction since we can make tri-nitro-butyl-xylene from coal tar.

A blue, equally rich and more durable, was obtained by employing the nitrite-of-butyl vapour in a still more attenuated condition.