@article{CTT100672525,
  author = {Sojiro Hachiya and Kengo Asai and Gen-ichi Konishi},
  title = {Environment-responsive multicolor fluorescent dyes based on nitrophenyl or nitrophenylethynyl oligothiophene derivatives: correlation between fluorescence and π-conjugation length},
  journal = {Tterahedron Lett.},
  year = 2013,
}

@article{CTT100672508,
  author = {Sojiro Hachiya and Kengo Asai and Gen-ichi Konishi},
  title = {Unique Solvent-dependent Fluorescence of Nitro-group-containing Naphthalene Derivatives with Weak Donor-Strong Acceptor System},
  journal = {TETRAHEDRON LETT},
  year = 2013,
}