N-[[5-[(E)-2-Bromovinyl]-2'-deoxyuridin-5'-O-yl](phenoxy)phosphoryl]-L-alanine methyl ester

methyl (2S)-2-[[[(2R,3S,5R)-5-[5-[(E)-2-bromoethenyl]-2,4-dioxo-pyrimidin-1-yl]-3-hydroxy-oxolan-2-yl]methoxy-phenoxy-phosphoryl]amino]propanoate