Nomenclature Iri Del Perfume by Nomenclature 100 ml Eau De Parfum Spray (unboxed) for Women. Nomenclature iri del perfume by nomenclature, modern and intriguing, nomenclature iri del is a fragrance that can be worn by both women and men. It was designed by patricia choux and launched by nomenclature in 2015. Top notes of iris are mixed with bright bergamot and aldehydes, giving this fragrance a light and energizing opening. A single note of ambrette forms the heart of the composition. Warmth and earthiness are added in the final layer as amber and a blend of woody base notes completes the fragrance. all products are original, authentic name brands. We do not sell knockoffs or imitations.