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- [[Category:Nitrogen heterocycles]]2 KB (270 words) - 08:44, 20 September 2010
- [[Category:Nitrogen heterocycles]] [[Category:Sulfur heterocycles]]2 KB (309 words) - 08:44, 20 September 2010
- ...|center|Figure 2: Different fire-resistant [[polymers]] made with aromatic heterocycles.]]<br />[[Polymers]] made with aromatic monomers have a tendency to condens ...r [[polymers]] are a subclass of [[polymers]] made with aromatic cycles or heterocycles. Ladder [[polymers]] generally have one of two types of general structures,17 KB (2,260 words) - 09:10, 20 September 2010
- | Function = heterocycles ...for air), higher reaction rate (no gas dilution) and no need of separating nitrogen in the reaction products.<ref name="ect" /><ref>{{cite book82 KB (11,709 words) - 20:31, 20 September 2010
- ...other elements. The most important derivatives are the rings containing [[nitrogen]]. Replacing one CH with N gives the compound [[pyridine]], C<sub>5</sub>H<45 KB (6,444 words) - 20:33, 20 September 2010
- Several other heterocycles are related to porphyrins. These include [[corrin]]s, [[chlorin]]s, [[bacte * Nitrogen-substituted porphyrins: [[phthalocyanine]]12 KB (1,605 words) - 19:15, 21 September 2010
- [[Category:Nitrogen heterocycles]]1 KB (131 words) - 21:06, 21 September 2010
