Takahashi, Rintaro; Nunokawa, Tatsuya; Shibuya, Tadahiro; Tomita, Ryohei; Tatewaki, Yoko; Okada, Shuji; Kimura, Tatsumi; Shimada, Satoru; Matsuda, Hiro Bulletin of the Chemical Society of Japan, 2012 , vol. 85, # 2 p. 236 - 244