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.
... density is 105.9/km² (274.2/mi²). There are 578 housing units at an average density of 82.3/km² (213.3/mi²). The racial makeup of the village ...