3-{5-[(3-Hydroxy-4-methoxy(2-pyridyl))carbonylamino]-1,3-dimethylpenta-1,3-dienyl}-6-methyl-4,9-dioxo-8-benzyl-1,5-dioxonan-7-yl 2-methylpropanoate AIDS-110762 AIDS110762 Gera-UK-2A