It's hard to give a definitive list of "popular" organic compounds, as popularity can depend on context (e.g., in chemistry, in industry, or in everyday life). However, here's a breakdown of some common organic compounds based on different categories:

Commonly encountered in everyday life:

* Carbohydrates:

* Sugars: Glucose (found in fruits, blood), Fructose (found in fruits, honey), Sucrose (table sugar), Lactose (milk sugar)

* Starches: Amylose (found in rice, potatoes), Amylopectin (found in bread, corn)

* Lipids (Fats and Oils):

* Fatty acids: Oleic acid (olive oil), Linoleic acid (vegetable oils), Palmitic acid (palm oil)

* Glycerides: Triglycerides (found in butter, margarine), Phospholipids (found in cell membranes)

* Proteins:

* Amino acids: Glycine, Alanine, Valine, Leucine, etc. (building blocks of proteins)

* Other:

* Ethanol (Alcohol): Used in beverages, as a solvent, and in fuel

* Acetic Acid (Vinegar): Used in cooking, cleaning, and as a food preservative

* Caffeine: Stimulant found in coffee, tea, and chocolate

* Aspirin (Acetylsalicylic Acid): Pain reliever and fever reducer

Important in chemistry and industry:

* Hydrocarbons:

* Methane (CH4): Natural gas

* Ethane (C2H6), Propane (C3H8), Butane (C4H10): Fuels

* Benzene (C6H6): Important in manufacturing plastics, dyes, and pharmaceuticals

* Polyethylene (PE): Plastic used in packaging, bottles, etc.

* Alcohols:

* Methanol (CH3OH): Solvent and fuel

* Ethanol (C2H5OH): Used in beverages, as a solvent, and in fuel

* Aldehydes and Ketones:

* Formaldehyde (HCHO): Used in embalming, production of resins, and preservatives

* Acetone (CH3COCH3): Solvent and nail polish remover

* Carboxylic Acids:

* Acetic Acid (CH3COOH): Vinegar

* Citric Acid (C6H8O7): Found in citrus fruits, used in beverages and food

* Amines and Amides:

* Aniline (C6H5NH2): Used in dyes, pharmaceuticals, and rubber production

* Nylon: A synthetic polymer made from amides

Other important organic compounds:

* Amino acids: Used in the synthesis of proteins, which are essential for life

* Nucleotides: Building blocks of DNA and RNA, which carry genetic information

* Steroids: Important hormones, such as cholesterol and testosterone

* Vitamins: Organic compounds that are essential for health, such as vitamin C and vitamin D

* Antibiotics: Organic compounds used to treat bacterial infections

This list is by no means exhaustive, but it gives you a good starting point for understanding the diverse and important world of organic compounds.