... 11 BULLETIN OF THE CHEMICAL SOCIETY or JAPAN, VOL. 44, 3158—3160(1971) A Dianthr[14]annulene Shuzo AKIYAMA and Masazumi NAKAGAWA Department qf Chemistry, Faculty of Science, Osaka University Toyonaka, Osaka (Received May 28, 1971) 1,2,3,4,5:8,9, ...