@article{oai:soar-ir.repo.nii.ac.jp:00011922,
 author = {Oda,  M and Nakajima,  N and Thanh,  NC and Kuroda,  S},
 issue = {49},
 journal = {TETRAHEDRON LETTERS},
 month = {Dec},
 note = {Article, TETRAHEDRON LETTERS. 49(49): 7058-7061 (2008)},
 pages = {7058--7061},
 title = {Spiro[1H-azulenium-1,9 '-fluorene] perchlorate. Intramolecular charge-transfer interaction between orthogonally arranged units of the azulenium cation and fluorene},
 volume = {49},
 year = {2008}
}