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(2007/10/02)6-chloropurine
6-dimethylamino-9-(3',5'-di-O-benzoyl-2'-O-phenoxythiocarbonyl-β-D-xylofuranosyl)purine
6-chloro-9-(2'-O-acetyl-3',5'-di-O-benzoyl-β-D-xylofuranosyl)purine
6-dimethylamino-9-(3',5'-di-O-benzoyl-β-D-xylofuranosyl)purine
6-dimethylamino-9-(2'-deoxy-3',5'-di-O-benzoyl-β-D-xylofuranosyl)purine