1,4-Dibromo-2-butene6974-12-5100 % similar trans-1,4-Dibromo-2-butene821-06-7100 % similar 1-Bromo-2-butene4784-77-457 % similar Allyl bromide106-95-640 % similar (3-Bromo-1-propen-1-yl)benzene4392-24-938 % similar 1-Bromo-6,6-dimethylhept-2-en-4-yne126764-15-635 % similar (2E)-1-Bromo-6,6-dimethyl-2-hepten-4-yne78629-21-735 % similar Methyl 4-bromo-2-butenoate1117-71-133 % similar Methyl (2E)-4-bromo-2-butenoate6000-00-633 % similar Prenyl bromide870-63-333 % similar Ethyl (E)-4-bromo-2-butenoate37746-78-431 % similar