p. 5211 - 5214
(2005)5'-O-(4,4'-dimethoxytrityl)-3'-iodomethyl-2'-deoxy-D-ribonolactone
5'-O-(4,4'-dimethoxytrityl)-3'-hydroxymethyl-2'-deoxy-D-ribonolactone
5'-O-(4,4'-dimethoxytrityl)-3'-iodomethyl-2'-deoxy-1'-O-acetyl-D-ribose
(S)-5-(4,4'-dimethoxytrityloxymethyl)-5H-furan-2-one