1-bromo-4-(cyclopenta-2,4-dien-1-ylidenemethyl)benzene InChI=1/C12H9Br/c13-12-7-5-11(6-8-12)9-10-3-1-2-4-10/h1-9 benzene, 1-bromo-4-(2,4-cyclopentadien-1-ylidenemethyl)-