Uracil

Chemical structure of uracil

Uracil is a base found in RNA. It pairs with adenine and replaces thymine in DNA. Uracil, a pyrimidine, was originally discovered in 1900.

Uracil Media

Uracil tautomers: Amide or lactam structure (left) and imide or lactim structure (right)
Chemical structure of uridine

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