Voriconazole; (2R,3S)-2-(2,4-difluorophenyl)-3-(5-fluoro-4-pyrimidinyl)-1-((1H)-1,2,4-triazol-1-yl)-butan-2-ol; CAS No.: 137234-62-9; Specializing in heterocycles, ChemShuttle supplies (2R,3S)-2-(2,4-difluorophenyl)-3-(5-fluoro-4-pyrimidinyl)-1-((1H)-1,2,4-triazol-1-yl)-butan-2-ol, a key intermediate for pharmaceutical development.