| formycin B | <drug> A drug used to get rid of intestinal parasites, it works by inhibiting the worm's ability to conduct nucleic acid synthesis. (06 Mar 1998) |
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| formycins | <chemical> Pyrazolopyrimidine ribonucleosides isolated from nocardia interforma. They are antineoplastic antibiotics with cytostatic properties. Pharmacological action: antibiotics, antineoplastic. (12 Dec 1998) |