The structure of uridine, an uracil molecule attached to ribofuranose, is shown below. Determine the chemical formula of uridine. List the elements alphabetically with the correct subscript.

• A. C₉H₁₂N₂O₆
• B. C₁₀H₁₄N₂O₅
• C. C₁₀H₁₃N₅O₄
• D. C₉H₁₃N₃O₅

Answer: (A)