Synthetics
Furfural smells like a sweet, warm, and slightly nutty aroma reminiscent of coffee, vanilla, and fruit, with a hint of smoky, earthy notes.
Mosciano, Gerard P&F 18, No. 2, 38, (1993): Sweet, brown, woody, bready, caramellic, with a slight phenolic nuance
Luebke, William tgsc, (1995): Sweet woody almond fragrant baked bread
Moellhausen: Fresh, aromatic, bitter almond note
Perfumery Laboratory: Sweet, almond, woody with a pronounced note of fragrant bread