TY  - BOOK
AU  - Cheeseman, G.W.H.
TI  - Condensed pyrazines: by G.W.H. Cheeseman, R.F. Coolwon
SN  - 0471-38204-3.
U1  - 547.7, 
PY  - 1977///
CY  - New York
PB  - Interscience Pub.
KW  - Hetrocyclic compounds Chemistry organic
ER  -