... 74-3 2,5-bis(1,1-dimethylpropyl)-1,4-Benzenediol Chemical name: 2,5-Di-tert-amylhydroquinone (DTAHQ); ... , 2,5-di-tert-pentyl- (6CI,7CI,8CI); Santovar A; Santovar TAHQ;2,5-Bis(1,1-dimethylpropyl)-1 ... ,4-benzenediol; 2,5-Bis(1,1-dimethylpropyl)hydroquinone;2,5-Di(tert-amyl)-1,4-benzohydroquinone; ... ,5-Di-t-amylhydroquinone;2,5-Di-tert-amylhydroquinone; 2,5-Di-tert-pentylhydroquinone;AH 25; Antage DAH; DAH ...