TY  - BOOK
AU  - El-Tammany, El-Sayed H.
TI  - Heterocyclic chemistry
SN  - 9781682501818
U1  - 547 
PY  - 2016///
CY  - New York
PB  - Magnum Publishing 
KW  - Organic Chemistry
KW  - Heterocyclic Chemistry
KW  - Cyctic compounds
ER  -