1 2 4 5-tetrachlorobenzene point group July 8, 2019 16 32 64 128 1 2 4 5 tetrachlorobenzene point group 1 2 4-trichlorobenzene 1 2 3-trichlorobenzene point group 1 2 5 trichlorobenzene 1 4 dibromobutane
