Pyrimidine yog ib qho muaj ntxhiab heterocyclic organic compound zoo ib yam li pyridine. Ib qho ntawm peb lub diazines (rau tus neeg ua haujlwm heterocyclics nrog ob hom nitrogen nitrogen hauv lub nplhaib), nws muaj cov nitrogen atoms ntawm 1 thiab 3 nyob rau hauv lub nplhaib .: 250 Lwm yam diazines yog pyrazine (nitrogen atoms ntawm 1 thiab 4 txoj haujlwm) thiab pyridazine (nitrogen atoms ntawm 1 thiab 2 haujlwm). Hauv nucleic acids, peb hom nucleobases yog pyrimidine derivatives: cytosine (C), thymine (T), thiab uracil (U).

Qhia tag nrho 9 tau