p. 2695 - 2704
(2007/10/02)2-Amino-6-chloropurin
9-<(1'β,4'β)-4'-<3''-(tert-butyldimethylsilyloxy)propoxy>cyclopent-2'-enyl>-6-methoxy-2-(N-monomethoxytriphenylmethylamino)purine
9-<(1'β,4'β)-4'-hydroxycyclopent-2'-enyl>-6-methoxy-2-(N-monomethoxytriphenylmethylamino)purine
2-amino-9<(1'β,4'β)-4'-hydroxycyclopent-2'-enyl>-6-methoxypurine
2-amino-6-chloro-9<(1'β,4'β)-4'-hydroxycyclopent-2'-enyl>purine