for the following products
a-(2,4-Difluorophenyl)-5-fluoro-b-methyl-a-(1H-1,2,4-triazol-1-ylmethyl)-4-pyrimidineethanol | Voriconazole intermediates e and (2R,3S/2S,3R)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol