ciclopirox

noun

ci·​clo·​pir·​ox ˌsī-klō-ˈpir-ˌäks 

: a synthetic, topical, antifungal agent C₁₂H₁₇NO₂ or its derivative C₁₂H₁₇NO₂·C₂H₇NO ( ciclopirox olamine ) that is used to treat fungal infections of the skin, scalp, and nails

Note: Trademarks for preparations of ciclopirox and ciclopirox olamine include Ciclodan, Loprox, and Penlac.