2-({3-Azido-5-[3-(3-bromo-propyl)-5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl]-tetrahydro-furan-2-yloxy}-benzyloxy-phosphorylamino)-propionic acid methyl ester 3'-Azido-3-N-(3-bromopropyl)-3'-deoxythymidine-5'-(phenylmethoxyalaninyl)phosphate AIDS-122963 AIDS122963