TY  - BOOK
AU  - Katritzky, Alan R & Lagowski, J. M
TI  - The Principles of heterocyclic chemistry
U1  - 547.59/Kat/Lag 
PY  - 2015///
CY  - Hederabad
PB  - PharmaMed Press
N1  - NTB; PG
ER  -