Capecitabine EP Impurity F

Chemical Name: pentyl [5-fluoro-1-[(3aR,4R,6R,6aR)-6-methyl-2-oxotetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-2-oxo-1,2-dihydropyrimidin-4-yl]carbamate (as per EP); 2′,3′-O-Carbonyl-5′-deoxy-5-fluoro-N4-(pentyloxycarbonyl)cytidine (as per USP)