The tariff classification of Benzoyl peroxide,CAS # 94-36-0 from Italy, 3,4-Diaminopyridine, CAS # 54-96-6 from Austria and 4-Methyl-3-(1H-Imidazole-2-ylamino)-N-(3-trifluoromethylphenyl)benzamide, CAS # not available, from Czech Republic