Synthetics
Filbert heptenone is a material that i don't have a description for.
Mosciano, Gerard P&F 18, No. 4, 51, (1993): Nutty, pungent, roasted, ketonic and coffee-like
Luebke, William tgsc, (2009): Raw nut skin myrcene ketonic sweet hazelnut filbert
Symrise: Fresh, fruity, green, exotic, nutty scent
Stable in: body lotion (good), shampoo (good), soap (very good), ap roll-on (very good), powder (good), cleaner citric (good), cleaner apc (very good), bleach (poor).
Moellhausen: Fruity, herbal, slightly burnt
FCI SAS: Strongly diffusive hazelnut
Alfrebro: Herbaceous, nutty, metallic, buttery
R C Treatt & Co Ltd: Metallic/buttery, and roasted hazelnut