Phosphoric acid 2-chloro-phenyl ester (2R,3S,5R)-5-(5-methyl-2-oxo-4-phenoxy-2H-pyrimidin-1-yl)-2-(9-phenyl-9H-xanthen-9-yloxymethyl)-tetrahydro-furan-3-yl ester 、 Benzoic acid (2R,3S,5R)-2-[[(2R,3S,5R)-5-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-2-hydroxymethyl-tetrahydro-furan-3-yloxy]-(2-chloro-phenoxy)-phosphoryloxymethyl]-5-(6-oxo-2-phenylacetylamino-1,6-dihydro-purin-9-yl)-tetrahydro-furan-3-yl ester 生成