Similar names: 1,4-Benzenediol, 2,3,5,6-tetrachloro- (9CI, ACI); 2,3,5,6-Tetrachloro-1,4-benzenediol (ACI); Hydroquinone, tetrachloro- (6CI, 7CI, 8CI); 2,3,5,6-Tetrachloro-1,4-dihydroxybenzene; 2,3,5,6-Tetrachlorohydroquinone; Dihydro-p-chloranil; Nordrosophilin A; NSC 100888; NSC 4858; Perchlorohydroquinone; Tetrachloro-1,4-benzenediol; Tetrachloro-1,4-hydroquinone; Tetrachloro-p-benzohydroquinone; Tetrachloro-p-hydroquinone; Tetrachlorobenzoquinol