Mourad, Ahmed Aboul-Fotouh; Nakamura, Seikou; Ueno, Tsubasa; Minami, Takahiro; Yagi, Takanari; Yasue, Haruka; Komatsu, Ryoko; Yoshikawa, Masayuki; Taye, Ashraf Mohamed; El-Moselhy, Mohamed Ahmed; Khalifa, Mohamed Montaser; Matsuda, Hisashi Bioorganic and Medicinal Chemistry Letters, 2013 , vol. 23, # 17 p. 4813 - 4816