N-[9-[(2R,3R,5S)-3-[tert-butyl(dimethyl)silyl]oxy-5-[[(4-methoxyphenyl)-diphenylmethoxy]methyl]oxolan-2-yl]-6-oxo-3H-purin-2-yl]benzamide 生成
N-(9-{(2R,3R,5S)-3-Hydroxy-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-6-oxo-6,9-dihydro-1H-purin-2-yl)-benzamide