英文别名4-Isobutoxy-1,3-benzenedicarbothioamide; Febuxostat Impurity 2; 4-(2-Methylpropoxy)benzene-1,3-dicarbothioamide; Febuxostat impurity B; 4-isobutoxybenzene-1,3-bis(carbothioamide); Febuxostat Impurity 22/4-isobutoxybenzene-1,3-bis(carbothioamide); Febuxostat Impurity 64; Febuxostat-15; Febuxostat Impurity O; 1,3-Benzenedicarbothioamide, 4-(2-methylpropoxy)-; Febuxostat Dithioamide impurity