Anti-anthrax agents

Among anti-bacterial agents, the simplest must be isoniazide (Rimifon), an important anti-tuberculosis drug. Heterocyclic contributions to mainstream antibiotics include a group of quinolones e.g. the broad-spectrum anti-bacterial ciprofloxacin (Cipro) perhaps best known in connection with terrorist use of anthrax and the diamino-pyrimidine trimethoprim (Triprim). Many of the sulfonamides, the hrst synthetic antibiotics, contain heterocyclic residues. 

Anti-personnel agents anthrax, psittacosis, plague, cholera, typhus, yellow... 

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