@article{CTT100575120,
  author = {T. Kojima and J. Nishida and S. Tokito and Y. Yamashita},
  title = {New n-Type Field-effect Transistors Based on Pyrimidine-containing Compounds with Trifluoromethylphenyl Groups},
  journal = {Chem. Lett.},
  year = 2009,
}

@article{CTT100575118,
  author = {K. Aoki and H. Akutsu and J. Yamada and S. Nakatsuji and T. Kojima and Y. Yamashita},
  title = {The First Organic Radical Compounds Exhibiting n-Type FET Properties},
  journal = {Chem. Lett.},
  year = 2009,
}

@article{CTT100550460,
  author = {Takahiro Kojima and Jun-ichi Nishida and Shizuo Tokito and Yoshiro Yamashita},
  title = {High-performance n-Type Organic Field-effect Transistors Based on Co-oligomers Containing a Trifluoromethylphenylthiazolyl Group and a Biphenylene Core},
  journal = {Chem. Lett.},
  year = 2007,
}

@article{CTT100550452,
  author = {Takahiro Kojima and Jun-ichi Nishida and Shizuo Tokito and Hirokazu Tada and Yoshiro Yamashita},
  title = {Organic Field-Effect Transistors Based on Heterocyclic Co-Oligomers Containing a Pyrazine Ring},
  journal = {Chem. Commun.},
  year = 2007,
}