1-[(2R,4S,5R)-4-[benzotriazol-1-yl-(2-chlorophenoxy)phosphoryl]oxy-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]oxolan-2-yl]-5-methylpyrimidine-2,4-dione 、 、 Benzotriazol-1-yl-phosphonic acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-diphenylacetylamino-6-oxo-1,6-dihydro-purin-9-yl)-tetrahydro-furan-3-yl ester 2-chloro-phenyl ester 生成