Grifulvin V - the antifungal antibiotic, which is taken at mycoses of skin, hair and nails, and effective concerning fungus of the sort Trichophyton, Microsporum, Epydermophyton, Achorionum; causes disturbance of structure of mitotic spindle and synthesis of a cell wall in chitin fungus, suppresses division of fungal cells in metaphase and synthesis of protein because of disruption of linking with template-RNA.