4-desfluoro 4 (1,2,4-triazol) (R,S)-Efinaconazole Epoxide

: 1-(4-{(2R,3S)-3-Methyl-2-[(1H-1,2,4-triazol-1-yl)methyl]-2-oxiranyl}-3-fluorophenyl)-1H-1,2,4-triazole; 1-{3-fluoro-4-[(2R,3S)-3-methyl-2-(1H-1,2,4-triazol-1-ylmethyl)oxiran-2-yl]phenyl}-1 H -1,2,4-triazole ;