ebastine [ Bactil,4-diphenylmethoxy-1-(3-(4-tert-butylbenzoyl)propyl)piperidine,Almirall brand of ebastine,Bayer brand of ebastine,Busidril,CEPA brand of ebastine,Ebastel,Evastel,Kestin,Kestine,LAS W-090,Omega brand of ebastine,Pharmafarm brand of ebastine,Rh+¦ne-Poulenc Rorer brand of ebastine ] a second generation antihistamine; structure given in first source