Citation: Yoshinao Shinozaki; Gary Richards; Keizo Ogawa; Akihito Yamano; Kazuaki Ohara; Kentaro Yamaguchi; Shin-ichiro Kawano; Kentaro Tanaka; Yasuyuki Araki; Takehiko Wada; Joe Otsuki (2013). Double Helices of a Pyridine-Appended Zinc Chlorophyll Derivative. Journal of the American Chemical Society, 135, pp. 5262-5265.