An antibiotic, C11H12Cl2N2O5, derived from the soil bacterium Streptomyces venezuelae or produced synthetically and effective against a broad spectrum of microorganisms.

• 氯霉素一种抗生素，c11h12cl2n2o5，来自于委内瑞拉链丝菌属土壤细菌或人工合成，是一种广谱抗菌药