[(2R,3R,4R,5R)-5-(4-benzamido-2-oxopyrimidin-1-yl)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[tert-butyl(dimethyl)silyl]oxyoxolan-3-yl]oxyphosphinic acid;N,N-diethylethanamine 、
N4-benzoyl-2',3'-bis-O-(tert-butyldimethylsilyl)cytidine 生成 N-[1-[(2R,3R,4R,5R)-4-[[(2R,3R,4R,5R)-5-(4-benzamido-2-oxopyrimidin-1-yl)-3,4-bis[[tert-butyl(dimethyl)silyl]oxy]oxolan-2-yl]methoxyphosphonoyloxy]-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-3-[tert-butyl(dimethyl)silyl]oxyoxolan-2-yl]-2-oxopyrimidin-4-yl]benzamide