Synthetics
2-ethyl furan smells like a combination of savory notes from cooked meats, coffee, and roasted nuts.
Mosciano, Gerard P&F 16, No. 2, 49, (1991): Chemical-like with a beany bready malty nuance
Luebke, William tgsc, (2021): Chemical beany ethereal cocoa bready malty coffee nutty
Alfrebro: Powerful, ethereal, coffee
R C Treatt & Co Ltd: Sweet, burnt, coffee, chocolate
Bedoukian Research: A very ethereal rum, cocoa note
For a rum and cocoa notes in fragrances.