英文别名1-[4-(1,1-二甲基丙基)苯基]-4-[4-(二苯甲氧基)-1-哌啶基]-1-丁酮; Ebastine Impurity 5; Epastine EP Impurity E; tert-Amyl ebastine; tert-AmylEbastine; 1-(4-(1,1-Dimethylpropyl)phenyl)-4-(4-diphenylmethoxy)piperidin-1-yl-butan-1-one; 4-(4-(benzhydryloxy)piperidin-1-yl)-1-(4-(tert-pentyl)phenyl)butan-1-one; Ebastine Impurity E; Ebastine Ethyl Derivative