... reduction of 4-( 4-substituted-benzoyl )- N-methylpyridinium cations. The authors demonstrated two chemically reversible, well-separated one-electron waves for all except the 4-( 4-nitrobenzoyl)-N-methylpyridinium ... anion-radical of pseudogeminal-[2.2]paracyclophane-4,7,12,15-tetrone in which the 1,4-benzoquinone units lie one beneath the other. b. The anion-radical of syn-[2.2](1,4)naphthalenophane-4,7,14,17-tetrone ... The cation-radical of syn-[2.2](1,4)naphthalenophane-4,7,14,17-tetramethoxy derivative, which is close to case b. e. The cation-radical of anti-[2.2](1,4)naphthalenophane-4,7,14,17-tetramethoxy...