Pyrimidine inonhuhwirira heterocyclic organic compound yakafanana ne pyridine. Imwe yezvikamu zvitatu (hekanocyclics nhanhatu nemaawa maviri eitrogen muchengeti), ine maatomu e nitrogen panzvimbo dze 1 uye 3 mumutsara .:250 Mimwe ma diazines ndi pyrazine (nitrogen maatomu pa 1 uye 4 nzvimbo) uye pyridazine (nitrogen maatomu pa 1 uye 2 nzvimbo). Mu nucleic acids, zvitatu zve nucleobases zviwanikwa zve pyrimidine: cytosine (C), thymine (T), uye uracil (U).

Kuratidza zvose 9 zvawanikwa