P-(triethylammonio)-N6-benzoyl-2'-O-(4-methoxytetrahydropyran-4-yl)-5'-O-adenylyl-3'<*>5'-N4-benzoyl-2',3'-di-O-benzoylcytidine 生成 [(2R,3R,4R,5R)-3-[[(2R,3R,4R,5R)-5-(4-benzamido-2-oxopyrimidin-1-yl)-3,4-dibenzoyloxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-benzamidopurin-9-yl)-4-hydroxyoxolan-2-yl]methyl 2-(dibromomethyl)benzoate;N,N-diethylethanamine