Tetracyclic

For flowers constructed of four whorls, see cyclic flower.

Doxycycline, a tetracyclic antibiotic.

Mirtazapine, a tetracyclic antidepressant.

Tetracyclics are cyclic chemical compounds that contain four interconnected rings of atoms, e.g. Tröger's base.

They have various pharmaceutical uses, for instance the tetracycline antibiotics and the tetracyclic antidepressants.

See also

• Tricyclic
• Heterocyclic