Efinaconazole is a member of the class of triazoles that is butan-2-ol which is substituted at positions 1, 2, and 3 by 1,2,4-triazol-1-yl, 2,4-difluorophenyl, and 4-methylenepiperidin-1-yl groups, respectively (the 2R,3R stereoisomer). It is an antifungal drug used for the topical treatment of onychomycosis (a nail infection caused mainly by dermatophytes). It has a role as an EC 1.14.13.70 (sterol 14alpha-demethylase) inhibitor. It is a member of piperidines, a tertiary alcohol, an organofluorine compound, a tertiary amino compound, an olefinic compound, a conazole antifungal drug and a triazole antifungal drug.
