Purines in Nucleic Acids 

Tautomers of Purines (Adenine and Guanine)
Synthesis of Purines (Adenine, Guanine and Uric Acid)
Synthesis of Purine derivatives
Fischer Synthesis
Traube Synthesis
Recommended for Delhi University Chemistry Honours 5th Semester students, Undergraduate students, UGC CSIR NET, NEET, IIT JEE and other Medical, Engineering and Post Graduation Entrance Examinations