1-dibromomethyl-4-nitro-benzene, 4-nitrobenzyl bromide, p-Nitrobenzylidene bromide, p-dibromomethylnitrobenzene, 4-nitrobenzal bromide, Benzene, 1-(dibromomethyl)-4-nitro-, 4-nitrobenzylidene dibromide, p-Nitrobenzal bromide, p-nitrobenzylidene dibromide, 4-nitrobenzylidene bromide, Benzene,1-(dibromomethyl)-4-nitro