* Caffeine: C8H10N4O2 (Carbon, Hydrogen, Nitrogen, Oxygen)
* Aspirin: C9H8O4 (Carbon, Hydrogen, Oxygen)
* Vitamin C (Ascorbic Acid): C6H8O6 (Carbon, Hydrogen, Oxygen)
* Glucose: C6H12O6 (Carbon, Hydrogen, Oxygen)
* Sodium bicarbonate (Baking soda): NaHCO3 (Sodium, Hydrogen, Carbon, Oxygen)
To give you a more specific answer, I need more information about the compound you're looking for. What properties does it have? What is its purpose?
