Heterocyclic compounds pdf
Four membered Heterocyclic compounds pdf
Five member Heterocyclic compounds pdf- Imidazole
Five member Heterocyclic compounds pdf -Pyrazole
Five member Heterocyclic compounds pdf- Oxazole
Five member Heterocyclic compounds pdf - Thiazole
Six member Heterocyclic compounds pdf – Pyrimidine
Six member Heterocyclic compound-Pyridine
Fused Heterocyclic compounds pdf- Flavones, indoles, Quinoline
Fused Heterocyclic compounds pdf- Chromones, Coumarines, Benzodiazepine, Phenothiazine
