"M. Yoshikawa,S. Imigi,K. Wakamatsu,T. Iwanaga,S. Toyota","Chemistry of Anthracene?Acetylene Oligomers XXII. Strained and Fluxional Macrocyclic Framework of Anthracene?Diacetylene Cyclic Pentamers",,"Chem. Lett.",,"Vol. 42","No. 5","pp. 559-561",2013,