Uracil is from the group

Pyrimidine

Other Names for Uracil

Uracil
2, 4-Dioxopyrimidine
2,4(1H,3H)-pyrimidinedione
2,4-Pyrimidinediol
2,4-dioxopyrimidine
2,4-pyrimidinediol
2-hydroxy-4-(1H)-pyrimidione
2-hydroxy-4-(3H)-pyrimidione
4-hydroxy-2-(1H)-pyrimidione
URACIL
uracil

Source

NCI Thesaurus License