TY  - BOOK
AU  - Armarego, W.L.F
TI  - Stereochemistry of heterocyclic compounds: W.L.F. Armarego
U1  - 547.59 
PY  - 1977///
CY  - New York
PB  - John Wiley and Sons
N1  - pt.2 Oxygen Sulfur Mixed N, O, and S and Phosphorus heterocycles. Gallagher, M. J
ER  -