(1'S,2'S,4'S,5'S)-1'-(Hydroxymethyl)-2'-azido-4'-(5-methyl-2,4-(1H,3H)-dioxopyrimidin-1-yl)bicyclo[3.1.0]hexane 5'-triphosphate (N)-methano-carba-AZT 5'-triphosphate AIDS-081404 AIDS081404