thumb|right|100px|Pyrimidine Pyrimidinediones are a class of chemical compounds characterized by a pyrimidine ring substituted with two carbonyl groups.
thumb|right|100px|Pyrimidine Pyrimidinediones are a class of chemical compounds characterized by a pyrimidine ring substituted with two carbonyl groups.
Examples include naturally occurring metabolites: {| class="wikitable" ! Trivial name !! IUPAC name !! Structure!!Pathway |- |Uracil||Pyrimidine-2,4(1H,3H)-dione||Image:Uracil.svg||Pyrimidine biosynthesis |- |Thymine||5-Methylpyrimidine-2,4(1H,3H)-dione||150px||Pyrimidine biosynthesis |- | ||5,6-Diaminopyrimidine-2,4(1H,3H)-dione|| ||Riboflavin biosynthesis |} drugs: thumb|right|Primidone Fluorouracil Idoxuridine Primidone Trifluridine and pesticides: Bromacil Saflufenacil ==References==
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).