Posaconazole Main Ring

• Chemical Name: (5R-cis)-Toluene-4-sulfonic acid 5-(2,4-difluorophenyl)-5-(1H-1,2,4-triazol-1-yl)methyltetrahydrofuran-3-ylmethyl ester
• MF ： C21H21F2N3O4S
• MW： 449.47
• CAS： 149809-43-8
• EINECS:    1308068-626-2
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