p. 1209 - 1212
(1997)p. 8857 - 8861
(2020)p. 436 - 448
(2007/10/03)p. 897 - 899
(2007/10/03)p. 803 - 804
(2007/10/02)triethylammonium 5'-O-dimethoxytritylthymidine 3'-H-phosphonate
3'-O-levulinoylthymidine
5'-O-dimethoxytrityl-2'-deoxythymidine-3'-H-phosphonate
5'-O-dimethoxytritylthymidine 3'-H-phosphonate