(E)-6'-bromo-(5'-deoxy-5'-methylidene)-3'-O-(tert-bytuldiphenylsilyl)thymidine

1-[(2R,4S,5R)-5-(hydroxymethyl)-4-[(4-methoxyphenyl)-diphenylmethoxy]oxolan-2-yl]-5-methylpyrimidine-2,4-dione

di(5'-O-tert-butyldimethylsilylthymidin-3'-yl) thiocarbonate