Synthesis of [1,2,3]selenadiazolo[4,5-e]benzofuran or benzothiophene, [1,2,3]thiadiazo[4,5-e]benzofuran or benzothiophene and 2-benzofuranyl-1,3,4-oxadiazole derivatives
Pharmaceuticals containing the benzo[b]thiophene core structure: raloxifene, arzoxifene, zileuton, SB-271046, sertaconazole