Synthetics
Ethyl (e,z)-2,4-decadienoate smells like a fruity, pear-like aroma with hints of apple, quince, and a touch of citrus from the monkey orange.
Mosciano, Gerard P&F 23, No. 3, 55, (1998): Green, waxy, pear, vegetative, tropical and fruity
Luebke, William tgsc, (1996): Green waxy pear apple sweet fruity tropical
Moellhausen: Juicy, green, fruity, apple and pear with tropical nuances, intense williams pear