AIDS-142972 AIDS142972 Ethyl 3-hydroxy-9,10-dimethoxy-4-oxo-1-((trimethylsilyl)oxy)-1-vinyl-1,2,3,4,6,7-hexahydro-2aH-cyclobuta[2,3]pyrrolo[2,1-a]isoquinoline-2a-carboxylate NSC661965