How to pronounce“alkynes”in English

Alkynes can be dienophiles too!

Terminal alkynes always have a hydrogen atom attached to them.

Internal alkynes would again give us complex mixtures of products!

Terminal alkynes can have good regioselectivity, while internal alkynes often form mixtures of products.

and alkynes if they contain one or more triple bonds.

But compounds with alkynes, triple-bonded carbons, are not.

But many alkynes aren't poisonous and aren't naturally occurring.