1-(4-bromofuro[2,3-f][1]benzoxol-8-yl)propan-2-amine 1-(4-bromofuro[2,3-f]benzofuran-8-yl)propan-2-amine 1-(4-bromo-8-furo[2,3-f]benzofuranyl)propan-2-amine [2-(4-bromofuro[2,3-f]benzofuran-8-yl)-1-methyl-ethyl]amine