Butadiene106-99-0100 % similar 1,3,5-Hexatriene2235-12-356 % similar Acrolein107-02-842 % similar trans-1,3-Pentadiene2004-70-838 % similar Piperylene504-60-938 % similar Styrene-butadiene9003-55-833 % similar 4-Methyl-1,3-pentadiene926-56-733 % similar