1. Advanced
Institute for Materials Research and Department of Chemistry, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
2. Isobe Degenerate
π-Integration Project, ERATO JST, Aoba-ku,
Sendai 980-8577, Japan
3. Advanced
Layer Company,
Konica Minolta, Ishikawa-cho, Hachioji 192-8505, Japan