Antifungal Drugs Inhibition of Nucleic Acids 。Flucytocine Cytosine analog interferes with RNA synthesis Pentamidine isethionate Anti-Pneumocystis;may bind DNA• Flucytocine • Cytosine analog interferes with RNA synthesis • Pentamidine isethionate • Anti-Pneumocystis; may bind DNA Antifungal Drugs Inhibition of Nucleic Acids