1. Hashimoto Polymer Phasing Project, ERATO, JST, Japan, Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 661-8510, Japan, Department of Materials Science & Engineering, Stony Brook University, Stony Brook, New York 11794-2275, Neutron Science Research Center, Japan Atomic Energy Research Institute, Tokai, Ibaraki-ken 319-1195, Japan, and ZEON Corporation 1−2−1, Yako, Kawasaki, Kanagawa, 210-8507, Japan