Synthetics
2(1)-orris butanal has no known odor.
Luebke, William tgsc, (1989): Orris woody leather tobacco animal
Givaudan: Orris, woody, powerful
Cetonal is an elegant ingredient used in woody, orris accords as well as with leather, tobacco and animal notes where it acts as an excellent blending agent and adds to the harmony of a fragrance.