TY  - BOOK
AU  - Katritzky,Alan R.
TI  - The Principles of Heterocyclic Chemisty
SN  - 9788188449880
U1  - 547.59 
PY  - 2009///
CY  - New Delhi
PB  - PharmaMed Press/BSP Books
KW  - Heterocyclic compounds
ER  -