9-[(2S,4R,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluorooxolan-2-yl]purine-2,6-diamine 、 9-[(2R,4R,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,3-difluorooxolan-2-yl]purine-2,6-diamine 生成
Adenosine, 2-amino-2'-deoxy-2',2'-difluoro-