SEARCH Articles Figures Tables Aromatic Chromophores with S and N Hetero-atoms Five-membered heterocycles with O and N atoms Five-membered ring systems with N and S atom Five-membered ring systems with O and N atoms Five-membered ring systems with more than one N atom Heterocycles Containing Other Elements in the Ring along with Te and N Atoms Heterocycles with One Te Atom and Two N Atoms Heterocyclics (s. a. Ring with 1 N-atom Heterocyclics with 1 N-atom Other Aromatic Chromophores with N Hetero-atoms Ring Compounds with P, Se and N Atoms Synthesis of Phenols with Side-chains containing Si, N or S Atoms Tellurium-Containing Heterocycles with N-Bridged Atoms With N and S (Se) atoms With O N Atoms With O and N atoms With more than One N Atom