Synthetics
Cocoa pentenal smells like a blend of roasted filbert, tea, peppermint, and a savory krill seasoning, reminiscent of cocoa and chocolate flavors.
Mosciano, Gerard P&F 19, No. 3, 51, (1994): Sweet, floral, honey, powdery and cocoa-like with rosy nuance
Luebke, William tgsc, (1991): Sweet cocoa nutty rose powdery
Taytonn ASCC: Cocoa, floral, powder/ powdery, sweet