Antipyrine,4,4'-methylenedi- (6CI,8CI);4,4'-Diantipyrylmethane;Bisantipyrylmethane;Diantipyrinylmethane;NSC 60670;4,4'-methanediylbis(1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one);Trichachnine;
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