Pyrimidinedione


Pyrimidinediones are a class of chemical compounds characterized by a pyrimidine ring substituted with two carbonyl groups.
Examples include naturally occurring metabolites:
Trivial nameIUPAC nameStructurePathway
UracilPyrimidine-2,4-dionePyrimidine biosynthesis
Thymine5-Methylpyrimidine-2,4-dionePyrimidine biosynthesis
5,6-Diaminopyrimidine-2,4-dioneRiboflavin biosynthesis

and drugs: