1,4-Benzenediol, 2,3-dimethyl- (9CI) 2,3-Dimethylhydroquinone 2,3-Xylohydroquinone 608-43-5 Hydroquinone, 2,3-dimethyl- (8CI) NSC 108080 o-Xylene-3,6-diol o-Xylohydroquinone