Synthetics
(z)-3-hexen-1-yl isovalerate smells like a combination of spicy green notes reminiscent of bell pepper, black tea, and sage, with a hint of fruity sweetness similar to nectarine.
Mosciano, Gerard P&F 14, No. 6, 47, (1989): Green, fruity, floral and dirty
Luebke, William tgsc, (1986): Fresh green apple fruity tropical pineapple
FCI SAS: Powerful green apple like odor with interesting fruity effect in fragrances