Ichikawa, Yoshiyasu; Okumura, Ken; Matsuda, Yasunori; Hasegawa, Tomoyuki; Nakamura, Mitsuhiro; Fujimoto, Aya; Masuda, Toshiya; Nakano, Keiji; Kotsuki, Hiyoshizo Organic and Biomolecular Chemistry, 2012, vol. 10, # 3 p. 614 - 622 doi: 10.1039/c1ob06559a