15-(11-(Dodecyloxy)-1-undecenyl)-2,3,5,6,8,9,11,12-octahydro-1,4,7,10,13-benzopentaoxacyclopentadecine AIDS-141549 AIDS141549 Dodecyl 11-(2,3,5,6,8,9,11,12-octahydro-1,4,7,10,13-benzopentaoxacyclopentadecin-15-yl)-10-undecenyl ether NSC657489