Synthetics
Allyl heptanoate smells like a fruity, sweet, and slightly floral aroma.
Mosciano, Gerard P&F 17, No. 1, 41, (1992): Sweet, pineapple-like, fruity with a slight waxy ripe fermented note
Luebke, William tgsc, (1990): Sweet pineapple fruity waxy banana fusel cognac
Pell Wall Perfumes: Fruity-pineapple and banana,, sweet, waxy, cognac
According to arctander, besides fruity fragrance types it is also “used in floral fragrance compositions: appleblossom, peachblossom, magnolia, sweet pea, etc.”