(L) 2-{[5-(6-Aminopurin-9-yl)-2,5-dihydrofuran-2-ylmethoxy]phenoxyphosphorylamino}propionic acid methyl ester AIDS-044711 AIDS044711 Cf 1001 Cf-1001 Cf1001 adenosine-5'-[phenyl (methyl-L-alaninyl)]phosphoamidate d4A Phosphate Deriv.