((2S,3S,4R,5R)-5-(2-amino-6-chloro-9H-purin-9-yl)-4-hydroxy-3-methyltetrahydrofuran-2,3-diyl)dimethanol 、
(-)-((2S,3S,4R,5R)-5-(6-amino-2-chloro-9H-purin-9-yl)-4-hydroxy-3-methyltetrahydrofuran-2,3-diyl)dimethanol 生成 (+)-4-amino-1-((2R,3R,4S,5S)-3-hydroxy-4,5-bis(hydroxymethyl)-4-methyltetrahydrofuran-2-yl)pyrimidin-2(1H)-one