Yamakawa, Naoki; Suzuki, Koichiro; Yamashita, Yasunobu; Katsu, Takashi; Hanaya, Kengo; Shoji, Mitsuru; Sugai, Takeshi; Mizushima, Tohru Bioorganic and Medicinal Chemistry, 2014 , vol. 22, # 8 p. 2529 - 2534