2-{[5-(4-Amino-2-oxo-3,4-dihydro-2H-pyrimidin-1-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethoxy]-hydroxy-phosphorylamino}-3-(1H-indol-3-yl)-propionic acid methyl ester AIDS-146614 AIDS146614 NSC674188