Synthetics
Acetyl propionyl smells like a sweet, fruity blend reminiscent of ripe peaches, wheat bread, and a touch of cocoa
Mosciano, Gerard P&F 22, No. 1, 57, (1997): Buttery, nutty, toasted, caramellic, diacetyl and acetoin notes
Luebke, William tgsc, (1987): Pungent sweet butter creamy caramel nutty cheese
Symrise: Buttery, nutty, toasted, caramellic, diacetyl and acetoin notes
Nagar Haveli Perfumes & Aromatics: Buttery, nutty, toasted, caramellic, diacetyl and acetoin notes
Sigma-Aldrich: Almond; butter; caramel; cheese; chocolate; creamy; nutty; fruity; sweet; coffee