limonene molecule, aliphatic hydrocarbon molecule molecular structure, 3d model van der waals

limonene aliphatic hydrocarbon cyclic monoterpene molecule molecular structure chemical formula isolated model c10h16 atom chemistry cosmetic oil lemon science compound structural citrus organic essential terpene atomic smell natural medicine biochemistry fragrance perfume insecticide scientific aromatherapy favor scent skeletal extract odor aroma aromatic citrous biology health flavor van der waals