Synthetics
Butyl butyrate has a strong, fruity, and green aroma reminiscent of pineapple, banana, and raspberry.
Mosciano, Gerard P&F 17, No. 4, 33, (1992): Sweet, fruity, fresh, diffusive and ripe
Luebke, William tgsc, (2017): Fruity banana pineapple green cherry tropical fruit ripe fruit juicy fruit
Moellhausen: Strongly fruity, estery, green; pineapple-, banana-, raspberry-like