pierścień benzenowy

Its chemical structure is made up of a vinyl group bonded onto a benzene ring.

Most chemicals, in fact, are based in part on benzene rings.

The solution to the puzzle was the benzene ring.

This makes it a "benzene ring," in chemical language.

Longer chain analogues with up to 10 benzene rings are also known.

Iodine is not easily introduced into the benzene ring directly.

One of the hydrogen atoms in ammonia is replaced by a benzene ring.

These work by forming a highly electrophilic complex which attacks the benzene ring.

Living human stuff was only a business of benzene rings and side-chains, just like his dyes!

It is bent, with an angle of 128 between the two benzene rings.