p. 1286 - 1295
(2007/10/02)p. 4793 - 4796
(2007/10/02)N2-isobutyryl-5'-O-monomethoxytrityl-O6-<2-(p-nitrophenyl)ethyl>-2'-deoxyguanosine 3'-(bis<2-(p-nitrophenyl)ethyl> phosphate)
N6-<2-(p-nitrophenyl)ethoxycarbonyl>-3'deoxyadenosine 2',5'-bis(bis<2-(p-nitrophenyl)ethyl> phosphate)
thimidine 3'-(bis<2-(p-nitrophenyl)ethyl>phosphate)
thimidine 5'-(bis<2-(p-nitrophenyl)ethyl>phosphate)
5'-O-(bis<2-(p-nitrophenyl)ethyl>phosphoryl)thymidine 3'-<(p-nitrophenyl)ethyl phosphate>