Yoon, Doo-Ha; Ji, Mi-Kyung; Ha, Hyun-Joon; Park, Jungchan; Kang, Philjun; Lee, Won Koo Bulletin of the Korean Chemical Society, 2013, vol. 34, # 6 p. 1899 - 1902 doi: 10.5012/bkcs.2013.34.6.1899