135270-07-4

(2S,3R)-2-(2,4-Difluorophenyl)-3-methyl-2-[(1H-1,2,4-triazol-1-yl)methyl]oxirane is a useful synthetic intermediate in the synthesis of ent-Efinaconazole (E435075); the S,S-enantiomer of Efinaconazole (E435070) which is a topical antifungal for onychomycosis.