Heterocyclic Compounds : Six Membered Heterocycles Containing Two Hetero Atoms and Their Benzo Derivatives
Elderfield, Robert
Heterocyclic Compounds : Six Membered Heterocycles Containing Two Hetero Atoms and Their Benzo Derivatives - New York John Wiley and Sons, Inc 1957
Heterocyclic Compounds : Six Membered Heterocycles Containing Two Hetero Atoms and Their Benzo Derivatives - New York John Wiley and Sons, Inc 1957