3'-Azido-2',3'-didehydro-5'-O-methylamino-L-tryptophanyl thymidine AIDS-092509 AIDS092509 Amino acid carbamate deriv [(S)-2-(1H-Indol-3-yl)-1-methylcarbamoyl-ethyl]-carbamic acid 3-azido-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester