Redirected from Heterocyclic
That is, unlike the carbon-only ring like in benzene and napthalene, there are other elements in the backbone, such as in pyrimidine and purine.
... to the United States Census Bureau, the town has a total area of 23.9 km² (9.2 mi²). 21.9 km² (8.5 mi²) of it is land and 2.0 km² (0.8 ...