AIDS-218076 AIDS218076 Hexanoic acid, 6-(Ala-Thr-Leu-Asn-Phe-OMe)-6-oxo-, 1-[[(2S,8S)-8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidin-2-yl]methyl] ester