o-Chloranil3,4,5,6-Tetrachloro-o-benzoquinoneTETRACHLORO-o-QUINONETetrachloro-o-benzoquinone3,4,5,6-Tetrachlorocyclohexa-3,5-diene-1,2-dioneTetrachloro-1,2-benzoquinone3,4,5,6-Tetrachloro-1,2-benzoquinone邻四氯苯醌3,4,5,6-四氯-1,2-苯醌3,4,5,6-tetrachlorocyclohexa-3,5-diene-1,2-dione