3'-Azido-2',3'-didehydro-5'-O-methylamino-D-tryptopanylthymidine AIDS-092513 AIDS092513 Amino acid carbamate deriv [(R)-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