Any of a class of heterocyclic compounds with a ring structure of four carbon and two nitrogen atoms.
The simplest member, pyrimidine itself (C4H4N2), is not common, but derivatives with the structure are. Examples include thiamine (vitamin B1), several sulfa drugs, barbiturates, and three of the bases in nucleic acids (cytosine, thymine, and uracil).
This is the complete article, containing 54 words
(approx. 1 page at 300 words per page).
View More Summaries on Pyrimidine
