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Heterocycles

Nomenclature of monoheterocycles       Nomenclature of fused heterocycles       Nomenclature of heterocycles: exercises       Pyrrole and its derivatives      Indole and its derivatives       Thiazole and its derivatives       Pyrazole and its derivatives       Imidazole and its derivatives       Pyridine and its derivatives       Piperidine and its derivatives       Pyrimidine and its derivatives       Purine and its derivatives