8-(N-Methylpiperazine) N'-octyl, 3'-azido-3'deoxy-5'-thymidinyl phosphate AIDS-210489 AIDS210489 NMP-AZT Phosphoric acid (2S,3S,5R)-3-azido-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester 8-(4-methyl-piperazin-1-yl)-octyl ester