The Chloramphenicol reference article from the English Wikipedia on 24-Jul-2004
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Chloramphenicol

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Chloramphenicol is an antibiotic that was derived from the bacterium Streptomyces venezuelae and is now produced synthetically. Chloramphenicol is effective against a wide variety of microorganisms, but due to serious side-effects (e.g., damage to the bone marrow) in humans, it is usually reserved for the treatment of serious and life-threatening infections (e.g., typhoid fever). It is also used in eye drops or ointment to treat bacterial conjunctivitis.

image:chloramphenicol.png
C11H12Cl2N2O5 Chloramphenicol MW=323.13
(2,2-Dichlor-N-[(aR,bR)-b-hydroxy-a-hydroxymethyl-4-nitrophenethyl]acetamid)
Image in the PD.