1. 2,4,6-Triphenylphosphabenzol
2. Phosphabenzene and arsabenzene
3. P.
Le Floch
, in Phosphorus-Carbon Heterocyclic Chemistry: The Rise of a New Domain, ed. F. Mathey, Pergamon, Palaiseau, 2001, pp. 485–533
4. G.
Märkl
, in Multiple Bonds and Low Coordination in Phosphorus Chemistry, ed. M. Regitz and O. J. Scherer, Thieme Verlag, Stuttgart, 1990, p. 220