%0 Journal Article %T Ortho-Fused Heterocyclic Derivatives as Efficient Electroluminescent Materials %A Tanaka, Kazuhiko %A Osuga, Hideji %A Tsujiuchi, Naoki %A Hisamoto, Masashi %A Sakaki, Yuichi %J Bulletin of the Chemical Society of Japan %V 75 %N 3 %P 551-557 %@ 0009-2673 %D 2002-03-15 %I Oxford University Press %~ DeepDyve