• 

  Inosine monophosphate
• 

  Selenocysteine
• 

  Selenomethionine
• 

  Thymidine
• 

  Thymidine diphosphate
• 

  Thymidine monophosphate
• 

  Thymidine triphosphate
• 

  Uric acid
• 

  Uridine
• 

  Uridine diphosphate
• 

  Uridine monophosphate
• 

  Uridine triphosphate