Synthesis of open-shell poly (1,2-phenylenevinylene)s and their magnetic and optical properties = Kaikakukei pori (1,2-fenirenbiniren) no gosei to jiki, kobutsuseiSynthesis of open-shell poly (1,2-phenylenevinylene)s and their magnetic and optical properties = Kaikakukei pori (1,2-fenirenbiniren) no gosei to jiki, kobutsusei 開殻系ポリ(1,2-フェニレンビニレン)の合成と磁気、光物性