Citation

Lombardo L , McCulloch RK Wege D (1978) Tropone (cyclohepta-2,4,6-trienone) derivatives related to biphenylene. 5H-Benzo[3,4]cyclobuta[1,2]cyclohepten-5-one, 6H-Benzo[3,4]cyclobuta[1,2]cyclohepten-6-one and 7H-Benzo[3,4]cyclobuta[1,2]cyclohepten-7-one. Australian Journal of Chemistry 31, 1585-1605.

https://doi.org/10.1071/CH9781585