S. Nakatsuji et al., PREPARATION AND PROPERTIES OF AROMATIC-COMPOUNDS BEARING SUBSTITUENTSWITH UNPAIRED ELECTRON, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 278, 1996, pp. 73-76
Preparation of some benzoquinones, pyridiniums, and benzenoid aromatic
s bearing subsitituents with unpaired electron as well as their proper
ties, especially magnetic properties, are discussed.