Oxazines - ț̢
Six-membered heterocycles containing an oxygen and a nitrogen.
Synonyms :
Oxazocines - ț̢
One ring heterocyclic compounds defined by C6H7NO. Permitted are any degree of hydrogenation, any substituents and any ortho-fused or ortho-peri-fused ring systems.
Synonyms :
Oxazoles - ț̢
Five-membered heterocyclic ring structures containing an oxygen in the 1-position and a nitrogen in the 3-position, in distinction from ISOXAZOLES where they are at the 1,2 positions.