Preparation and Properties of a Polycyclic p -Quinodimethane with Two Oxygen Bridges and its Radical Cation in Comparison with the Isomeric o -Quinodimethane

Preparation and Properties of a Polycyclic p -Quinodimethane with Two Oxygen Bridges and its Radical Cation in Comparison with the Isomeric o -Quinodimethane