2. Draw the Kekule structure of all possible cyclic isomers for the molecular formula CiH7Br and name all isomers. 3. Write the line-bond structure for the followings: a) 2,3,3,4-tetrametbylnopane: b) 1-butyl-4-methylcyclodecane; c) neopentane; d) 2 hexene