What organic compounds are used to create fragrances in the perfume industry?

In the perfume industry, a variety of organic compounds are used to create fragrances, including essential oils, aroma compounds, and synthetic fragrances. Essential oils are derived from plants and contain volatile aromatic compounds, while aroma compounds can be natural or synthetic molecules designed to mimic specific scents. Common organic compounds include linalool, geraniol, and vanillin, which contribute floral, fruity, and sweet notes, respectively. Additionally, synthetic compounds like musks and various aldehydes are employed to achieve unique and long-lasting fragrances.