Rifamycins

**Definition:** A group of ANTI-BACTERIAL AGENTS characterized by a chromophoric naphthohydroquinone group spanned by an aliphatic bridge not previously found in other known ANTI-BACTERIAL AGENTS. They have been isolated from fermentation broths of Streptomyces mediterranei.

**Tree numbers:** - D03.633.400.811 - D04.345.295.750

**Synonyms:** - Rifomycins