Pure Appl. Chem., 1975, Vol. 44, No. 4, pp. 885-924
doi:10.1351/pac197544040885
'Acetylene-cumulene' dehydroannulenes*
M. Nakagawa
*Second International Symposium on the Chemistry of Nonbenzenoid Aromatic Compounds, Lindau/Bodensee, GFR, 23-27 September 1974