p. 1835 - 1843
(2004)5'-O-(4,4'-dimethoxytrityl)-N4-[trans-4-(2-{[2-bis(ethoxycarbonylmethylamino)ethyl]ethoxycarbonylmethylamino}acetylamino)cyclohexyl]-2'-deoxycytidine
N4-[trans-4-(2-{[2-bis(ethoxycarbonylmethylamino)ethyl]ethoxycarbonylmethylamino}acetylamino)cyclohexyl]-2'-deoxycytidine
N4-[trans-4-(2-{[2-bis(ethoxycarbonylmethylamino)ethyl]ethoxycarbonylmethylamino}acetylamino)cyclohexyl]-3',5'-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2'-deoxycytidine