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.
... of age or older. The average household size is 2.86 and the average family size is 3.32. In the town the population is spread out with 25.2% under the age of 18, 5.7% from ...