salicylanilide

noun

sal·​i·​cyl·​an·​il·​ide ˌsal-ə-sə-ˈlan-ᵊl-īd 

: a crystalline compound C₁₃H₁₁NO₂ that is used as a fungicidal agent especially in the external treatment of tinea capitis caused by a fungus of the genus Microsporum (M. audouini)