Synthetics
Furfuryl alcohol smells like a complex blend of coffee, tea, wheat bread, and other savory notes.
Mosciano, Gerard P&F 15, No. 2, 69, (1990): Sulfuraceous estery chemical, musty, sweet, brown caramellic, bready and coffee
Luebke, William tgsc, (1997): Alcoholic chemical musty sweet caramel bread coffee
Alfrebro: Cooked sugar, burnt