SEARCH Articles Figures Tables Benzo central nervous system Benzo quinolizidine system Benzo systems photoisomerization Benzothiophens and their Benzo-fused Systems Five-membered ring systems benzo furans Rearrangements in the Benzene Ring of Benzo-Fused Systems Six-membered ring systems Pyridines and benzo derivatives Systems with One Heteroatom, and their Benzo, analogues The Hebrew University, Jerusalem, Israel Six-Membered Ring Systems Pyridine and Benzo Derivatives