Synthetics
Allyl octanoate smells like a sweet, artificial pineapple.
Mosciano, Gerard P&F 17, No. 1, 41, (1992): Fatty and waxy, sweet, fruity pineapple-like with a green tropical nuance
Luebke, William tgsc, (2021): Waxy fruity green tropical pineapple watercress metallic fatty soapy
Taytonn ASCC: Fatty, fruity, green, sweet, waxy