Synthetics
Diethyl succinate is a soft, fruity-ethereal ester often used as a blender or modifier in perfumery. its delicate sweetness and wine-like nuance help add roundness and lift to fruity or floral accords.
Luebke, William tgsc, (1994): Mild fruity cooked apple ylang
Pell Wall Perfumes: Wine, fruity-apple, stewed fruit, ylang. substantive
Arctander describes it as “faint, pleasant odor, remotely winey-ethereal. the odor type is somewhat similar to that of ethyl benzoate, but of much less power.” he goes on to tell us it: “finds some use as a solvent-fixative in perfumery.”