Naoto Kumagai

Preparation of poly(2-pyridone-3,5-diyl)s with –(CH2)4–SO3M (M = H or Na) side chains

Takakazu Yamamoto, T. Koizumi, M. Abe, 2012 .

Preparation of dibromopyridines having –(CH2)m–SO3Na groups as monomers for new polypyridines

Takakazu Yamamoto, T. Koizumi, M. Abe, 2012 .