β-D-5'-O-(N-methylanthraniloyl)-N4,3'-O-bis(4-methoxytrityl)-2'-deoxycytidine
β-D-N4,3'-O-bis(4-methoxytrityl)-2'-deoxycytidine
N4-(6-benzyloxycarbonylaminohexanoyl)-5'-O-tert-butyldimethylsilyl-2'-deoxycytidine
Bis(o-chlorophenyl) 5'-O-(tert-butyldimethylsilyl)-2'-deoxycytidine 3'-phosphate
N-benzoyl-2'-deoxycytidine 3'-benzoate