Morikawa, Toshio; Wang, Li-Bo; Ninomiya, Kiyofumi; Nakamura, Seikou; Matsuda, Hisashi; Muraoka, Osamu; Wu, Li-Jun; Yoshikawa, Masayuki
Chemical and Pharmaceutical Bulletin, 2009 , vol. 57, # 8 p. 853 - 859