Affiliation: | 1. Department of Chemistry, Graduate School of Science, Tohoku University, 6–3 Aramaki Aza‐Aoba, Aoba‐ku, Sendai 980‐8578 (Japan);2. Department of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo‐ku, Kyoto 606‐8501 (Japan);3. Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku University, 6–3 Aramaki Aza‐Aoba, Aoba‐ku, Sendai, 980‐8578 (Japan) |